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A thin wire has a length of 21.7 cm and radius 0.46 mm. Calculate the volume of the wire to correct significant figures.

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A thin wire has a length of 21.7 cm and radius 0.46 mm. Calculate the volume of the wire to correct significant figures.
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Correct Answer - A::C::D
Given, l=21.7cm, r=0.46 mm = 0.046cm
Volume of wire ` V=pi r^2l`
`= 22/7 (0.046)^2 (21.7)`
` = 0.1443 cm^3 = 0.14 cm^3` .
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