Significant figures and rounding off numbers

    • [PDF File]A Short Guide to Significant Figures - Yale Astronomy

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      4.3.2.1 Definitions and Rules for Significant Figures . ... 4.7.2 USP Guidance on Significant Figures and Rounding . 4.7.3 Additional Guidance in the USP . 4.7.4 References .

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    • Volume III, Section 4

      be even when rounding off. Example #1 - Suppose you wish to round 62.5347 to four significant figures. Look at the fifth figure. It is a 4, a number less than 5. Therefore, you will simply drop every figure after the fourth, and the original number rounds off to 62.53. Example #2 - Round 3.78721 to three significant figures. Look at the fourth ...

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    • [PDF File]Significant Figure Rules - Rice University

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      The result contains three significant figures because the concentration of 5.25 contains three significant figures. The other numbers in the calculation, 1.5 MGD (design flow) and 8.34 (conversion factor), have no effect on the number of significant figures in the Note that if the MGD of the facility were measured at the plant rather than being

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    • [PDF File]2.2 Rounding and Significant Figures

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      The accepted convention for rounding off results is that the uncertainty should be rounded off to one or two significant figures. If the leading figure in the uncertainty is a 1, we use two significant figures, otherwise we use one significant figure. Then the result should be rounded to match. Example: Round off z = 12.0349 cm, where Dz = 0 ...

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    • Rounding Significant Figures Calculator

      2.2 Rounding Off and Significant Figures 41 we round off the calculated result, 3.681657848325 × 10-27, to 3.68 × 10-27. The following sample study sheet provides a detailed guide to rounding off numbers calculated using multiplication and division. (Addition and subtraction will be covered in …

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    • [PDF File]Step by Step: Significant Figures III. Rules for Rounding ...

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      2.1 Exact Numbers 3 2.2 Recognizing Significant Figures 3 2.3 Counting Significant Figures 4 3. CALCULATIONS 5 3.1 Rounding Off Numbers: When to do it 5 3.2 Basic Addition and Subtraction 6 3.3 Multiplication and Division 6 3.4 Square Roots 7 3.4.1 What are Square Roots? 7 3.4.2 How to Use Significant Figures With Square Roots 7 3.5 Logarithms 8

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    • [PDF File]Significant figures and rounding off results in scientific ...

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      10.1 Significant Figures . 10.1.1 The rounding rules described in Section 10 must be used to report data to the proper number of significant figures. This section describes how to determine the proper number of significant figures. 10.1.2 The number of significant figures …

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    • [PDF File]Coping with Significant Figures

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      Rules for rounding off numbers (1) If the digit to be dropped is greater than 5, the last retained digit is increased by one. For example, 12.6 is rounded to 13. (2) If the digit to be dropped is less than 5, the last remaining digit is left as it is. For example, 12.4 is rounded to 12.

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    • [PDF File]Guidance for the Use of Significant Figures and Rounding ...

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      1) Round the numbers in the table. Number Nearest 10 Nearest 100 423 420 482 535 799 [1] 2) Round the numbers in the table. Number Nearest unit Nearest tenth 3.41 3 7.27 1.82 7.95 [1] 3) Round the numbers in the table. Number 1 decimal place 2 decimal places 0.474 0.5 4.945 0.6138 88.7057 [1] Rounding, Decimal Places and Significant Figures ...

      rounding numbers to significant figures

    • [PDF File]Rounding and Significant Technical Report

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      of significant figures. The “X10” part just tells us where the decimal goes. Ignore this and just look at the number part. The first number , the “4.9” has 2 significant figures vs. the other numbers that have 3 significant figures. W e want the least number of significant figures, which is 2. So round the answer to 2 significant figures.

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