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[DOC File]Rules for Using Significant Figures in Mathematical Operations
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How do you determine the number of sig figs in a number or measurement? ... When performing a calculation that involves only addition or subtraction, do the whole calculation and round at the end. ... the answer will need to be rounded to the correct number of significant figures according to the following rules. Round down whenever the digit ...
sig figs rules for subtraction

[DOC File]Guided notes on Accuracy, Precision, and significant ...
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**The rule for addition and subtraction is different; you won’t have to memorize that one. However you will need to know the rules on scientific notation and sig figs. The number of sig figs comes from the number written _____ the times sign. 3.50 x 1023 = ___ sig figs; 5.0 x 10 -4 = ___ sig figs; 3 x 10-4 = ____ sig figs
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[DOCX File]CHAPTER 1->3 lecture notes
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Rules for calculations. addition/subtraction– least # of decimal places. multiplication/division – least # of sig. figs. in PRINTED problem. counting numbers/constants –do not change the # of sig. figs. defined conversions – don’t count – they can be defined with as many sig figs as you need.
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[DOC File]Significant Figures Practice Worksheet
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Sig Figs. Rule for . Addition & Subtraction = Least number of . decimal places (highest value) Perform the following calculations and round according to the rule above. 1) 8.20 + 2 = 2) 13.59 + 23.25 + 20 = 3) 42.828 + 67.4629 = 4) 53.4028 - 14 = 5) 39.3 - 0.804 = 6) 91.68 - 19.1 =
adding and subtracting sig figs practice

[DOC File]Rules for Counting Significant Figures
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2 sig figs. 2 sig. figs. 4 sig. figs. Example 2: 0.000400 x 35.000 = 0.0140. 3 sig figs 5 sig figs 3 sig figs. For addition or subtraction. the result has the same number of decimal places as the least precise measurement used in the calculation.
add and subtract sig fig

[DOC File]Significant Figures
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A silly (correct) example of multiplication with sig figs is: 164 × 1 = 200 Mixed operations: If you have a problem with mixed addition/subtraction and multiplication/division, keep all of the digits until you’re finished, but keep track of the last sig fig in each step by putting a line over it.
sig figs when adding decimals

[DOC File]Significant Figures
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0.62 miles / km (2 sig figs) 7. Rules Specific for Zeroes 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 ...
how to determine sig figs when adding

[DOCX File]Significant Figures: Uncertainty in Measurement
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Round sig figs anytime you switch between the addition/subtraction rule and the multiplication/division rule. Scientific Notation: Put all answers in scientific notation to the correct number of significant figures.
adding sig figs

Addition and subtraction of sig figs rules