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Topic: Scientific notation

In the News (Mon 22 Sep 14)

 Scientific pitch notation - Wikipedia, the free encyclopedia Scientific pitch notation in Western music is a method of naming the notes of the standard Western chromatic scale by combining a letter-name, accidentals, and an Hindu-Arabic numeral identifying the pitch's octave. Scientific pitch notation is often used to specify the range of an instrument. It provides an unambiguous means of identifying a note in terms of musical notation rather than frequency, while at the same time avoiding the transposition conventions that are used in writing the music for instruments such as the clarinet and guitar. en.wikipedia.org /wiki/Scientific_pitch_notation   (361 words)

 Kids.net.au - Encyclopedia Scientific notation -   (Site not responding. Last check: 2007-10-22) Scientific notation (standard index notation) is a concise way of recording numbers by integer powers of ten, that is used to record numbers which are notably large or small. Most calculators and many computer programs present very large and very small results in scientific notation; the 10 is usually omitted and the letter E for exponent is used; for example: 1.56234 E29. Scientific notation is highly useful for quoting physical quantities, as they can only be measured to within certain error limits and so quoting just the digits that are certain (the "significant digits") gives all the information required without wasting space. www.kidsseek.com /encyclopedia-wiki/sc/Scientific_notation   (328 words)

 Scientific notation - Wikipedia, the free encyclopedia Scientific notation is useful for indicating the precision with which the quantity was measured. Any physical quantity in scientific notation is assumed to be precise to no fewer than the quoted number of digits of precision. Scientific notation also avoids regional differences in certain quantifiers, such as billion, which may be either 10 en.wikipedia.org /wiki/Scientific_notation   (672 words)

 Scientific notation - Wikipedia, the free encyclopedia   (Site not responding. Last check: 2007-10-22) In scientific notation, however, multiplying a number by 10 increases the exponent by one, for example from $10^1to10^2.$ Remember then, when reading numbers in scientific notation, that small changes in the exponent equate to large changes in the number itself: $2.5 \times 10^5dollars \left(250,000\right) is a common price for new homes in the U.S., while2.5 \times 10^\left\{10\right\}dollars \left(25billion\right) would make you one of the world\text{'}s richest people.$ Formally, scientific notation (also known as standard index notation) is floating-point notation with radix (base) 10. www.butte-silverbow.us /project/wikipedia/index.php/Scientific_notation   (747 words)

 Scientific Notation   (Site not responding. Last check: 2007-10-22) Scientific notation is used in almost all scientific calculations. Scientific notation is simply multiplying or dividing numbers by a power of 10. So we can change 0.000041 to 4.1 using scientific notation by multiplying the original number by 10 5 times, and the new number becomes 4.1 times 10 to the negative 5th (moving the decimal point to the left results in an negative exponent, to the right results in a positive exponent). www.ssminc.net /electrical/scientific_notation.htm   (900 words)

 Scientific Notation   (Site not responding. Last check: 2007-10-22) Scientific notation is a way of using exponents and powers of 10 to write very large or very small numbers. The most common problems we see with scientific notation involve changing from standard notation to scientific notation and vice versa. For a number to be written in scientific notation, we need a number between 1 and 10 and a power of 10. www.algebralab.org /lessons/lesson.aspx?file=Algebra_ExponentsScientific.xml   (548 words)

 Scientific Notation Scientific notation is used to express very large or very small numbers. A number in scientific notation is written as the product of a number (integer or decimal) and a power of 10. A number can be converted to scientific notation by increasing the power of ten by one for each place the decimal point is moved to the left. www.aaamath.com /B/g71f_nx1.htm   (146 words)

 Lesson 1-6 Scientific Notation Scientific notation is simply a method for expressing, and working with, very large or very small numbers. Numbers in scientific notation are made up of three parts: the coefficient, the base and the exponent. Remember that correct scientific notation has a coefficient that is less than 10, but greater than or equal to one. www.fordhamprep.com /physics/physics/lessons/ch1/less16.htm   (727 words)

 Scientific Notation Scientific notation provides us with the only reasonable means of dealing with a broad range of magnitudes, such as we encounter in astronomy. If adding or subtracting numbers in scientific notation, it is necessary to ensure that the powers of ten are the same. Similarly, when inputting a number in scientific notation into a calculator, there is usually a button labeled "EE" or "E" that indicates the exponent (it is pushed at the point where "x 10" appears in the number). www.lasalle.edu /~smithsc/Astronomy/Units/sci_notation.html   (958 words)

 Scientific Notation   (Site not responding. Last check: 2007-10-22) Scientific notation is a way of expressing a number as a product consisting of a decimal number that is at least 1 and less than 10 multiplied by an appropriate power of 10. The reason it is called "scientific" notation is that scientists use very large numbers and very small numbers. Standard scientific notation has a single non-zero digit in front of the decimal point, and this decimal number, called the mantissa, is multiplied by a power of 10, which is called the exponent. mcraefamily.com /MathHelp/BasicWordScientificNotation.htm   (423 words)

 AllRefer.com - scientific notation (Mathematics) - Encyclopedia scientific notation, means of expressing very large or very small numbers in a compact form that is easy to use in computations. Calculations are greatly simplified by use of scientific notation: the first parts of a pair of numbers to be multiplied or divided are combined manually or by slide rule and the powers of 10 are added or subtracted in accordance with the rules for exponents. (in scientific notation) or 291.2 (in ordinary notation). reference.allrefer.com /encyclopedia/S/scinot.html   (246 words)

 Define scientific notation - a definition from Whatis.com - see also: power-of-10 notation Scientific notation, also called power-of-10 notation, is a method of writing extremely large and small numbers. In common scientific notation, any nonzero quantity can be expressed in two parts: a coefficient whose absolute value is greater than or equal to 1 but less than 10, and a power of 10 by which the coefficient is multiplied. Scientific notation makes it easy to multiply and divide gigantic and/or minuscule numbers, when the use of decimal notation would give rise to frustration. whatis.techtarget.com /definition/0,,sid9_gci526200,00.html   (665 words)

 T/LC Scientific Notation In scientific notation, a number is given as a product of a number between 1 and 10 and a power of ten, providing greater accuracy, concision, and ease of calculation. Express numbers in scientific notation when necessary for accuracy, concision, and ease of use. Although it is not "wrong" to use scientific notation, you should learn when it is appropriate. www.delta.edu /tlc/TLCStudySupport/mathforscience/ScientificNotation/scientificnotation.html   (339 words)

 Scientific Notation   (Site not responding. Last check: 2007-10-22) To do a calculation like this, it is necessary to express these numbers in scientific notation, as a number between 1 and 10 multiplied by 10 raised to some exponent. The following rule can be used to convert numbers into scientific notation: The exponent in scientific notation is equal to the number of times the decimal point must be moved to produce a number between 1 and 10. The primary reason for converting numbers into scientific notation is to make calculations with unusually large or small numbers less cumbersome. chemed.chem.purdue.edu /genchem/topicreview/bp/ch1/scinot.html   (365 words)

 Scientific Notation Scientific notation is a shortened form for writing these very big or small numbers. Scientists generally are dealing with rounded off numbers where scientific notation is concerned with the numbers to the right being zeroes, making it easier to write the number in scientific notation. To write the scientific notation, find the first number to the right of the decimal place that is not a zero. www.mcwdn.org /Algebra/ScINot.html   (276 words)

 Bryn Mawr College: Survival Skills for Problem Solving--Scientific Notation Scientific notation (also called exponential notation) provides a more compact method for writing very large (or very small) numbers. In scientific notation, the distance from the earth to the sun is 9.3 x 10 Multiplication and division of large or small numbers is simplified using scientific notation. www.brynmawr.edu /nsf/tutorial/ss/ssnot.html   (443 words)

 Scientific Notation Scientific notation was invented to help scientists (and science students!)deal with very large and very small numbers, without getting lost in all the zeros. The most difficult kind of calculation that can be done with numbers expressed in scientific notation turns out to be addition or subtraction. If you are given a number in scientific notation to raise to a power, remember that all this means is that it is used as a factor that many times. www2.austin.cc.tx.us /jheath/Math/Scinot/scinot.htm   (944 words)

 Scientific notation   (Site not responding. Last check: 2007-10-22) Scientific notation is a way of expressing the precision of an approximate number, for example, how many people live in the United States right now (the correct answer is an exact number but our estimate cannot be)? scientific notation separates the part of the number that expresses precision (the 2.7 here is sometimes called the mantissa) from a multiplier (10 to a power, called the order of magnitude). This is easy to do for a series of numbers written in scientific notation: just add up the powers of ten. carini.physics.indiana.edu /P105/Scientific-notation.html   (531 words)

 Scientific Methods Scientific notation is the way that scientists handle very large or very small numbers, such as the size or age of the Universe, or the size of the national debt. Here are some examples of scientific notation used in astronomy (and a few just for comparison!). Usually your calculator will return numbers in scientific notation if they are input in scientific notation. www.astro.washington.edu /labs/clearinghouse/labs/Scimeth/mr-scnot.html   (593 words)

 Grade 9:  Scientific Notation Write a whole number in scientific notation and vice versa. Follow the directions to learn how to convert from scientific notation to whole numbers using the scientific calculator, then make your own examples. Scientific notation is a product of a number between 1 and 10 and a power of 10. argyll.epsb.ca /jreed/math9/strand1/1204.htm   (204 words)

 Multiplication using Scientific Notation Scientific Notation is based on powers of the base number 10. It must always be 10 in scientific notation. While the value is correct it is not correctly written in scientific notation, since the coefficient is not between 1 and 10. www.edinformatics.com /math_science/scinot_mult_div.htm   (277 words)

 Question Corner -- Scientific Notation in Everyday Life Scientific notation is needed any time you need to express a number that is very big or very small. For one thing, the scientific notation is easier to read, and makes it much easier to tell at a glance what the order of magnitude is (rather than counting zeros). Scientific notation was not "created", in the sense of someone coming up with something new. www.math.toronto.edu /mathnet/questionCorner/scinot.html   (635 words)

 Study Skills   (Site not responding. Last check: 2007-10-22) Scientific notation is needed to express numbers that are very large or extremely small. Move the decimal point to the right until there is just one digit; which is greater than or equal to 1 and less than 10 to the left of the decimal point. On most scientific calculators, large numbers are expressed in a form of scientific notation that may resemble either of the following two examples: www.mathonline.org /mathhelp/scientificnotation.html   (306 words)

 Math Skills - Scientific Notation Scientific notation is the way that scientists easily handle very large numbers or very small numbers. In scientific notation, the digit term indicates the number of significant figures in the number. Make sure that the number in scientific notation is put into your calculator correctly. www.chem.tamu.edu /class/fyp/mathrev/mr-scnot.html   (341 words)

 A Dictionary of Scientific Quotations Scientific American magazine in September 1992 upped the ante considerably with an estimated of 1 1/2 square metres; thats a square of brain forty inches on each side, getting close to the card-table estimate. It might be going too far to say that the modern scientific movement was tainted from its birth; but I think it would be true to say that it was born in an unhealthy neighbourhood and at an inauspicious hour. "The scientific method," Thomas Henry Huxley once wrote, "is nothing but the normal working of the human mind." That is to say, when the mind is working; that is to say further, when it is engaged in corrrecting its mistakes. naturalscience.com /dsqhome.html   (6670 words)

 Scientific Notation Scientific notation can be used to turn 0.0000073 into 7.3 x 10 scientific notation - scientific notation, means of expressing very large or very small numbers in a compact form that is... nucleus, in physics: Scientific Notation for the Nucleus and Nuclear Reactions - Scientific Notation for the Nucleus and Nuclear Reactions A nucleus may be represented conveniently... www.factmonster.com /ipka/A0876783.html   (461 words)

 Scientific Notation You may be somewhat familiar with scientific notation even though you are not aware of it. Most of the prefixes used when talking about computer speed or memory are really simplified scientific notation. Other scientific notation and prefixes you may encounter are in the table below. wind.cc.whecn.edu /~marquard/astronomy/scientific_notation.htm   (324 words)

 Scientific Notation   (Site not responding. Last check: 2007-10-22) When the first computer languages were developed, and this problem was first considered, an alternative way of writing scientific notation was developed. In this alternative notation, the "times 10" is replaced by the letter "E" (probably for "exponent") and the exponent itself is written flush on the baseline instead of as a superscript. Some of the newer calculators are able to display scientific notation that looks like the first of the two examples above. chemlabs.uoregon.edu /GeneralResources/scientific_notation.html   (295 words)

 Exponents: Scientific Notation For very large or very small numbers, it is sometimes simpler to use "scientific notation" (so called, because scientists often deal with very large and very small numbers). The format for writing a number in scientific notation is fairly simple: (first digit of the number) followed by (the decimal point) and then (all the rest of the digits of the number), times ( Actually, converting between "regular" notation and scientific notation is even simpler than I just showed, because all you really need to do is count decimal places. www.purplemath.com /modules/exponent3.htm   (677 words)

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