A cube has an edge length of

PHYSICS · Single correct · A Level · Physics · Measurements and their errors · Measurements and their errors

Problem

A cube has an edge length of 2.50 cm2.50\,\text{cm}, each measurement correct to three significant figures. Find the volume of the cube in cubic metres and write your answer in scientific notation with the correct number of significant figures. (a) 6.25×10−6 m36.25 \times 10^{-6}\,\text{m}^3 (b) 1.56×10−5 m31.56 \times 10^{-5}\,\text{m}^3 (c) 1.56×10−6 m31.56 \times 10^{-6}\,\text{m}^3 (d) 1.5625×10−5 m31.5625 \times 10^{-5}\,\text{m}^3

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