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[DOC File]Significant Figures and Scientific Notation
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Since 0.34 has the fewest significant figures, your answer must only have 2 significant figures. 7.55 meters x 0.34 meters = 2.6 meters2 . Scientific Notation – a given number is written as the product of two numbers: a coefficient and 10 raised to a power. Example. 602,000,000,000,000,000,000,000 = 6.02 x 10-23. Avogadro’s Number = Number of representative particles . contained in one ...
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[DOC File]Scientific Notation: Adding and Subtracting
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Multiply the numbers. Add the exponents for the power of ten. Example: (3.0201 x 102)(2.0 x 101) = 6.0 x 103 (Use correct number of significant figures. Use correct scientific notation.) Note: If a power of ten is not expressed, it is understood to be 100, which equals 1. Thus, 4.0 is understood to be 4.0 x 100. DIVISION: Divide the numbers as in any division problem. Subtract the denominator ...
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[DOCX File]coachkchem.weebly.com
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Notes: Scientific Notation, Rounding, and Significant figures. Scientific N. otation - Can be used to express any number between 1 and 9 multiplied by 10 raised to a power. -Example: 4.6 x10. 23. or 4.5 E 23. Recognizing Significant figures. Rule 1: All non-zero digits (1 through 9) are significant . Rule 2: Zeros between non-zero digits are significant - 2034 has 4 significant figures - 3 ...
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[DOC File]Homework 1: Scientific notation
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The more significant figures are used, the better the precision (but not accuracy) of the number. 2. Multiplying. When you have two numbers in scientific notation, it becomes very easy to do. You must first break the process into 2 parts. First, multiply the numbers in the first part of the scientific notation. Second, add the exponents (on the ...
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[DOC File]Unit 6: Exponential and Logarithmic Functions
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But the number 4000.5 has five significant digits: the 4, the 5, and all the zeros in between. And the number 0.003 has three significant digits: the 3 and the two zeros that come between the 3 and the decimal point. Example 3. Evaluate the following expressions. Round to 3 significant figures and write your answer in scientific notation. a) b ...
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[DOC File]Math with Scientific Notation - Schlick's World of Science
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The issue of significant figures is discussed elsewhere, so if you do not know what they are right now, that's OK. Later on, when you are more well-versed in significant figures, you might want to review these words. By the way, the answer to the above problem to the correct number of significant figures is 2.92 x 106. The calculator answer (2917200) contains too many significant figures.
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[DOC File]Significant Figures and Scientific Notation
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Significant Figures – all the digits that can be known precisely in a measurement, ... Once the exponents are the same you add or subtract the coefficients and keep the exponents the same. Example: (8.0 x 102) + (5.4 x 103) You must first change the exponents so they are the same. To do that move the decimal one to the left on the quantity 8.0 x 102 so the quantity is now . 0.80 x 103. Now ...
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Multiply significant figures with exponents