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[DOC File]Significant Figures
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of significant figures. Examples: 10.305 x 0.00320=0.032976 (Round to 3 SF) = 0.0330. 3.64928/5.2=0.701784615 (Round to 2 SF) = 0.70. Addition/Subtraction. When adding or subtracting significant figures, arrange the numbers in columnar form and retain no figures in a column that is to the right of a column containing a doubtful figure. Examples:
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[DOC File]Significant Figures
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Rule Examples Zeros appearing between nonzero digits are significant 40.7 L has three sig figs. 87 009 km has five sig figs Zeros appearing in front of nonzero digits are not significant 0.095 987 m has five sig figs. 0.0009 kg has one sig fig Zeros at the end of a number and to the right of a decimal are significant 85.00 g has four sig figs
significant figures in addition subtraction

[DOC File]Significant Figures
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For example 3.00 x 102 has three significant figures and 3.0 x 102 has two. Doing Calculations Often when doing calculations, we end up with an number whose significant figures we must decide.
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[DOC File]E - 3c Heating and Cooling Curves
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Rules for identifying significant figures in a measurement: 1. All non-zero digits are significant (i.e. 1-9). 2. All zeros or groups of zeros between non zero digits are significant (ex. ALL the zeros in 703 g, 8.001 mL, and 7010.02 cm are all significant because of rule #2a.) AND
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[DOCX File]Rules for deciding the number of significant figures:
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Aug 05, 2011 · The potential ambiguity in the last rule can be avoided by the use of standard exponential, or "scientific," notation. For example, depending on whether the number of significant figures is 3, or 4, we would write 50,600 calories as: 5.06 × 104 calories (3 significant figures)5.060 × 104 calories (4 significant figures) What is a "exact number"?
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[DOC File]Name__________________________________Period_______Date
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Rule for Addition and Subtraction: Round to the fewest decimal places. Perform the following calculations, and . round off your answer correctly: 4.1 cm + 0.07 cm. 18.3 m – 11 m. 8.120 g – 7.090 g. Rule for Multiplication and Division: Round to the fewest significant figures. Perform the following calculations, and . round off your answer ...
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[DOCX File]images.pcmac.org
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Addition and Subtraction with Significant Figures Rule: When we add or subtract numbers, we should round the result to the same number of decimal places as the number with the least number of decimal places (i.e., the least precise value in terms of addition and subtraction).
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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]The zero rules for significant figures follow:
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significant, they are . place holders only; e.g., the measurement 0.0061 has two significant figures and 0.00610m has three significant figures. In the first blank give the number of significant digits in the measurement and in the second blank, list the number(s) of the zero rule(s) that were necessary for your decision. For example: 3 1,2 & 4 ...
adding and subtracting significant digits

[DOCX File]Significant Figures: Uncertainty in Measurement
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Any zeros between two significant figures are significant (101, 1001) Trailing zeros are only significant if they follow a non-zero number AND a decimal point (1.00, 10.00) ... Round sig figs anytime you switch between the addition/subtraction rule and the multiplication/division rule.
significant figures in addition subtraction

Significant figures subtraction rule