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Unformatted text preview: the number of significant figures removes ambiguity when the possibility of misinterpreta<on is present Examples in Class Opera<ons with Significant Figures •  When mul$plying or dividing two or more quan<<es, the number of significant figures in the final result is the same as the number of significant figures in the least accurate of the factors being combined –  Least accurate means having the lowest number of significant figures •  When adding or subtrac$ng, round the result to the smallest number of decimal places of any term in the sum (or difference) Rounding •  Calculators will generally report many more digits than are significant –  Be sure to properly round your results •  Slight discrepancies may be introduced by both the rounding process and the algebraic order in which the steps are carried out –  Minor discrepancies are to be expected and are not a problem in the problem- solving process •  In experimental work, more rigorous methods would be needed Conversions •  When units are not consistent, you may need to convert to appropriate ones •  Units can be treated lik...
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