The length, breadth and thickness of a block are given by l = 12 cm, b = 6 cm and t = 2.45 cm. The volume of the block according to the idea of significant figures should be
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Question

The length, breadth and thickness of a block are given by l = 12 cm, b = 6 cm and t = 2.45 cm. The volume of the block according to the idea of significant figures should be

G1 Physics · Accepted Answer

Volume = lbt = 12 × 6 × 2.45 = 176.4 cm³. The factors 12 and 6 limit the result to one significant figure, so V ≈ 2 × 10² cm³. Correct answer: B.