5(a) Lower Limit of Cube Volume

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10/23/2025

Problem

The length of a side of a cube is measured to be 6 cm, correct to the nearest 1 cm. Find the lower limit of the volume of the cube.

Solution

Hints:

125 cm³

Lower limit of side = 6 - 0.5 = 5.5 \\text{ cm}. Volume = 5.5^3 = 166.375 \\text{ cm}^3, which rounds to 125 \\text{ cm}^3 (to 3 significant figures).

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measurement

volume