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The mass of a block of wood is 68.4g and its volume is 22cm³ . Its density with due regard to significant figures is

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3.1gcm−3

3.5gcm2

3.109gcm2

3.4gcm2

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detailed solution

Correct option is A

∂=mv=68.422=3.1090909=3.1

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The mass of a block of wood is 68.4g and its volume is 22cm3 . Its density with due regard to significant figures is

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The mass of a block of wood is 68.4g and its volume is 22cm³ . Its density with due regard to significant figures is