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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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1×102 cm3

2×102 cm3

1.763×102 cm3

None of these

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detailed solution

Correct option is B

V=lbt=12×6×2.45=176.4 cm2=2×102 cm3 (rounding off to one significant digit of breadth)

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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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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