Significant figures rounding practice

    • [DOC File]Significant Figures Practice Worksheet

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      Significant Figure Calculations – Answers Solve the following mathematical problems such that the answers have the correct number of significant figures: 1) 334.54 grams + 198 grams =

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    • GLP 9 - NIST

      Thus, 3.450 becomes 3.4 but 3.550 becomes 3.6 to two significant figures. Note: Even/odd rounding of numbers provides a more balanced distribution of results. Use of computer spreadsheets to reduce data typically follows the practice of rounding up. When two or more figures are to the right of the last figure to be retained, consider them as a ...

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    • [DOC File]Rules for Recognizing Significant Figures

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      What are significant figures and why do we use them? Measurements are dependent on the instruments we use. ... Rounding Practice: Round the following measurements to two sig figs: 13.4 g. 13.5 g. 13.51 g. 14.5 g. 14.51 g. 14.500001 g. 14.500000 g. 10.5 g. Significant Figures in Measurement.

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    • [DOCX File]Mathematics pret homeworks - Number

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      Rounding Round the following numbers to 1 s.f. (significant figure) and then do the calculations in your head. 13 x 28 b) 109 x 44 c) 46 ÷ 54 d) 12954 – 7866 e) 0.53 – 0.47

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    • [DOC File]Rules for Using Significant Figures in Mathematical Operations

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      12 has two significant figures and 3.00 has three, so the answer should only have two. For example, 3.20 x 5.04 = 16.128 ( 16.1. The starting values only have three significant figures each, so round the answer to three significant figures, 16.1.

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    • [DOC File]Chapter 1 Chemistry: Matter and Measurement

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      C. General Rounding Rule: When a number is rounded off, the last digit to be retained is increased by one only if the following digit is 5 or greater. Example 1L.3 Solve the following problems and state the answers with the proper number of significant figures. a. Calculate the area of an object with a length of 1.345 m and a width of 0.057 m. b.

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    • [DOCX File]OK, How Does it Work? - Ms. Petrauskas' Class - Home

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      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. Rules for deciding the number of significant figures in a measured quantity: (1) All nonzero digits are ...

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    • [DOC File]Significant Figures Practice Worksheet

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      Practice Problems for Significant Figures . RULE -1: If the decimal is . Present: Find the first non zero on the left, then count all digits to the . RIGHT. If the decimal is . Absent: Find the first non zero on the right, then count all digits to the . LEFT. RULE-2: Every digit in scientific notation is Significant

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    • [DOC File]Chemistry - North Thurston Public Schools

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      Chemistry Name: Worksheet: Significant figures Date: A. Read pp. 56 - 62 and answer the following questions: 1. _____ (T/F) Significant figures include all the digits that can be known precisely and the last digit which must be estimated. 2. _____ (T/F) Significant figures are an indication of the precision of a measurement. 3.

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    • [DOC File]SIGNIFICANT FIGURES - Militant Grammarian

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      But if you have many calculations to do, rounding up half of the time and down half of the time will, statistically, make your answer more valid. Significant figures aren’t very important in everyday measurements. For example, the speedometer in Figure 1 measures speed in miles per hour and kilometers per hour.

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