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Find the side of cube whose volume is $15.625\ cm^3$.
Given: Volume of a cube is $15.625\ cm^3$.
To do: To find the side of the cube.
Solution:
Volume of the cube$=15.625$
Let $x$ be the side of the cube.
$\Rightarrow x^3=15.625$
$\Rightarrow x=\sqrt[3]{15.625}$
$\Rightarrow x=\sqrt[3]{\underline{2.5\times2.5\times2.5}}$
$\Rightarrow x=2.5\ cm$
Therefore, side of the cube is $2.5\ cm$.
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