A cube has a side of length . Calculate its volume. [2003]

Question

A cube has a side of length $1.2 \times 10^{- 2} m$ . Calculate its volume. [2003]

Smart Achievers · Accepted Answer

(1)

$Volume of cube, V = ℓ^{3} = {(1.2 \times 10^{- 2} m)}^{3}$

$= 1.728 \times 10^{- 6} m^{3} \Rightarrow V = 1.7 \times 10^{- 6} m^{3}$

As length has two significant figures, so volume also has two significant figures.

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