Examples of significant figures problems

    • [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]HOW DO SCIENTISTS APPROACH PROBLEMS

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      3. The number of significant figures you obtain is limited by how finely divided your measuring scale is. Rules for Significant Figures. 1. All nonzero digits are significant. Examples: 2. All zeros that fall between nonzero digits are significant. Examples: 3. Zeros to the left of …

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    • [DOC File]NOTES: MEASUREMENT AND SIGNIFICANT DIGITS

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      Here are some examples of determining significant digits from lab measurements: Measurement Equipment Calibrated to: Read To: (includes estimate) # of significant digits 14.0g ones place tenths place 3 25mL tens place ones place 2 0.035mL hundredths place thousandths place 2** ** notice that “place holder” zeros (in front) are not actually ...

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    • [DOC File]Chapter 1 - Solutions

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      48) Determine the number of significant figures in each of the following measurements: a) 4867 mi 4 - all digits are nonzero and so significant. b) 56 mL 2 - all digits are nonzero and so significant. c) 60,104 tons 5 - the two zeros that appear are between nonzero digits, and so all digits are significant

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    • [DOC File]Unit 0 – Review: Basic Scientific Measurement and Problem ...

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      Example Number of Significant Figures Scientific Notation 0.00682 3 6.82 x 10-3 Leading zeros are not significant. 1.072 4 1.072 (x 100) Imbedded zeros are always significant. 300 1 3 x 102 Trailing zeros are significant only if the decimal point is specified. 300. 3 3.00 x 102 300.0 4 3.000 x 102 EXAMPLES

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    • [DOC File]UNIT 1 Notes: Scientific Notation, Significant Figures ...

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      Multiplication/Division Round your answer to have the same number of significant figures as the LEAST NUMBER OF SIGNIFICANT FIGURES in the operation. EXAMPLES 67.443 x 3.07 ÷ 2.9 = 71. 861.2 ÷ 78.554 x 90.1 = 988. PRACTICE 1.7. Report the answers to the following operations to the correct number of significant figures.

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    • [DOC File]Significant Figure Rules - Schlick's World of Science

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      Hence a number like 26.38 would have four significant figures and 7.94 would have three. The problem comes with numbers like 0.00980 or 28.09. Rule 2: Any zeros between two significant digits are significant. Suppose you had a number like 406. By the first rule, the 4 and the 6 are significant.

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    • [DOCX File]Significant Figures Cheat Sheet

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      Examples: 0.120, 91.0 and 0.00000530 all contain 3 significant figures. Trailing zeros in a number are counted as significant only if the number contains a decimal point. 1200 has two significant figures but 1200. has 4 significant figures. All numbers in a coefficient (when using scientific notation) are significant.

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    • [DOC File]Chemistry Worksheet Number 2-3a

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      How many significant figures are in each of the following numbers? 5.40 1.2 x 103 . 210 0.00120 801.5 0.0102 1,000 9.010 x 10-6 101.0100 2,370.0 11) Why are significant figures important when taking data in the laboratory? 12) Why are significant figures NOT important when solving problems in …

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    • [DOC File]Algebra 1

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      After fully discussing calculating with significant figures, have students work computational problems (finding area, perimeter, circumference of 2-D figures) dealing with the topic of calculating with significant digits. A chemistry textbook is an excellent source for finding problems …

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