Calculations involving significant figures

    • [PDF File]Coping with Significant Figures

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      the decimal place count as significant figures, and it is immediately obvious just by looking that “1.230 × 103” has more significant figures than does “1.23 × 103”. 2.3 Counting Significant Figures Digesting the rules above is the hard part. Once you've done that, counting the number of significant figures is easy.

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    • [PDF File]Chem. 1A Math and Significant Figure Review Dr. Mack

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      Chem. 1A Math and Significant Figure Review Dr. Mack (rev. F2014) Page 1 of 6 Math Review and Significant Figures For more help see Chapter 1 and Appendix A in your text book.

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    • [PDF File]Significant Figures in Calculations Rules

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      Significant Figures in Calculations Rules When doing multiplication or division with measured values, the answer should have the same number of significant figures as the measured value with the least number of significant figures. •Procedure to determine significant figures after multiplication or division:

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    • [PDF File]SIGNIFICANT FIGURES

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      SIGNIFICANT FIGURES Number1 Significant Figures 1. All digits (1-9) are significant 1.589 m 4 ... the zero could be counted as a significant digit if the number results from a measurement or a calculation. ... Numbers in science usually result from measurements and calculations in the laboratory. WORKSHEET FOR SIGNIFICANT FIGURES 1. On the line ...

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    • [PDF File]CHEMISTRY Name: Chapter 1 2 Precision, Accuracy ...

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      CHEMISTRY Name: Chapter 1 & 2 Worksheet: Precision, Accuracy, & Significant Figures Accuracy indicates how close a measurement is to the true or accepted value.. Precision refers to the reproducibility of a measurement.. No measurement of a physical quantity is absolutely certain.

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    • [PDF File]SIGNIFICANT FIGURES, EXPONENTS, AND SCIENTIFIC …

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      When dealing with significant figures, it is often necessary to round-off numbers in order to keep the results of calculations significant. To round-off a number such as 64.82 to three significant figures means to express it as the nearest three digit number. Since 64.82 is between 64.8 and 64.9, but closer to 64.8, then the result of the round-off

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    • [PDF File]Uncertainties and Significant Figures

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      problem when determining significant figures in a number. A. Rules for Determining Significant Figures in a Number 1. All non-zero numbers are significant. 2. Zeros within a number are always significant. 3. Zeros that do nothing but set the decimal point are not significant. Both 0.000098 and 0.98 contain two significant figures. 4.

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    • [PDF File]www.pgsd.org

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      CALCULATIONS USING SIGNIFICANT FIGURES Name When multiplying and divldlngt limit and round to the least number of significant figures in any of the factors. Example 1: 23.0 cm x 432 cm x 19 cm = 188,784 cm3 The answer is expressed as 190,000 cm3 since 19 cm has

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    • [PDF File]Working with Logarithm: Significant Figures and Operations

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      SIGNIFICANT FIGURES When Finding the Log of a Number III. Determining the Antilog of Numbers that are Non-integers SIGNIFICANT FIGURES When Finding the Antilog of a Number IV. How to Solve Simple Equations Involving Logarithms A. SUMMARY B. APPLICATIONS TO CHEMISTRY PROBLEMS V. Review on Working with Logarithm Functions VI. Answers and Solutions

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

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      A Short Guide to Significant Figures What is a “significant figure”? The number of significant figures in a result is simply the number of figures that are known with some degree of reliability. The number 13.2 is said to have 3 significant figures. The number 13.20 is said to have 4 significant figures.

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