how do the errors combine together during multiplication and division?4mark answer
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The same rule holds for multiplication, division, or combinations, namely add all the relative errors to get the relative error in the result. Example: w = (4.52 ± 0.02) cm, x = (2.0 ± 0.2) cm. Find z = w x and its uncertainty. ... The uncertainty is rounded to one significant figure and the result is rounded to match.
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