The least count of a stopwatch is 0.01 s. If a time of 1.25 s is measured using this stopwatch, how many significant figures are in the reading?
Significant figures in measurements depend on the precision of the measuring instrument.
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Significant figures in measurements depend on the precision of the measuring instrument.
The least count of 0.01 s implies the reading has 3 significant figures: 1.25.
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