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A student estimated a mass to be 250 g but, upon carefully measuring it, found the value to be 240 g. What is the percent error of the estimated mass if the measured value is the accepted one? A. 4.0%
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A student estimated a mass to be 250 g but, upon carefully measuring it, found the value to be 240 g. What is the percent error of the estimated mass if the measured value is the accepted one?

A. 4.0%
B. -4.2%
C. -4.0%
D. 4.2%

User Kallol
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The answer is D, i think.
User Jeca
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