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OpenStudy (anonymous):
Find the percent error of the measurement 7cm
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OpenStudy (anonymous):
If 7 is your only certain number, then it can be written with 2 significant figures, 7.0 - where the .0 is uncertain and is one-tenth of the unit of measure.
OpenStudy (anonymous):
If the 7 itself is uncertain, then the true value could vary between 6.50 and 7.49.
OpenStudy (anonymous):
%error = (margin-of-error/measurement)*100%
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