How many significant figures in 20

    • [PDF File]Significant Figure Rules - Rice University

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      There are three rules on determining how many significant figures are in a number: 1. Non-zero digits are always significant. 2. Any zeros between two significant digits are significant. 3. A final zero or trailing zeros in the decimal portion ONLY are significant. Focus on these rules and learn them well. They will be used extensively ...

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    • [PDF File]Rules for Reporting Significant Figures

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      Rules for Reporting Significant Figures. 1. Nonzero digits always count as significant figures . 2. Zeros are what mix people up. There are three situations in which they can occur. leading zeros precede all nonzero digits and are never significant (i.e., 0.000182 has three sign. figs.)

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    • [PDF File]Significant Figures

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      Using significant figures when adding and subtracting 892.542 20.629 0.18 4.20 + 2 917.551 3 3 2 The least amount of significant figures to the right of the decimal in the numbers is 2; therefore, the answer should only have 2 significant figures to the right of the decimal. 917.55

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    • [PDF File]Significant Figures - Cabrillo College

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      track of how many significant figures the answer to each step should have, and determining how that affects the significant figures in the next step, and so on. In calculations, we use all of the available digits to calculate the answer, and only round the final answer to the appropriate number of significant figures.

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    • [PDF File]Significant Figures in Measurement and Calculations

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      number of significant figures. This is the number of significant figures you should have in your answer (the product). Thus the answer to 0.024 x 1244 would be rounded off to contain two significant figures since the factor with the lesser number of significant figures (0.024) has only two such figures.

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    • [PDF File]SIGNIFICANT FIGURES PRACTICE figures in the bolded number.

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      SIGNIFICANT FIGURES PRACTICE How many significant figures are in each number? For 16-20, indicate the number of significant figures in the bolded number. 1 1.082 4 11 230. 3 2 0.034 2 12 2.710 x 102 4 3 3.2978 x 103 5 13 190 ambiguous – 2 or 3 4 10.00 4 14 190. 3 5 2.3 2 15 19.0 3 6 00138.20 5 16 diameter = 2.74 x 2 1

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    • [PDF File]Significant Figures - Johns Hopkins University

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      example: 40.123+20.34=60.46. 4. For multiplication or division, round off the result to the smallest number of significant figures. For example: 1.23x2.0=2.5, not 2.46. 5. For logarithms, retain in the mantissa (the number to the right of the decimal point in the logarithm) the …

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    • [PDF File]Worksheet 1: Significant Figures

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      4. Complete the following calculations, then round your answer to the appropriate number of sig figs. a) 18.0 + 192

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    • [PDF File]Significant Figures - VCC Library

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      Significant Figures For any measurement, the number of significant figures (or “sig figs”) is equal to those digits that can be recorded accurately, plus one digits that must be estimated. (1) All non-zero figures are significant. The number 2.3163 has five sig figs. (2) Zeroes between significant figures are significant.

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    • Significant Figures - Purdue University

      Significant Figures The number of significant figures is the number of digits whose values are known with certainty. The numerical values of the experimental results must be written according to specific rules. The number of significant figures that should be used in stating a result is inseparably

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