Answer:-
Percent error cannot be negative because it is always expressed as a positive value. It measures the absolute difference between a measured value and an actual or accepted value, divided by the accepted value, then multiplied by 100. Since the difference is taken in absolute terms, any negative sign is removed before calculating the percentage. The purpose of percent error is to show how far off a measurement is from the true value, and using a positive number avoids confusion. However, some sources may show a negative value to indicate whether the measured value was above or below the actual.
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