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The starting edge of a ruler is broken and the zero mark is unavailable. How should the correct length be determined?

Answer and explanation

Correct answer: Place the object at a clear mark and subtract the initial reading from the final reading

The difference between final and initial readings gives the actual length. Recording only the final reading would be incorrect.

Related tags

RulerMeasurement-ErrorLengthScale-ReadingScientific Questions And ObservationsExploration: Entering The World Of Secondary ScienceExploration Entering The World Of Secondary ScienceScience

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