Question
Find the volume of a cube whose side is: $25\ mm.$

Answer

Side of cube $(a) = 25\ mm = 2.5\ cm^3$
$\therefore$ Volume $= a^3= (2.5)^3\ cm^3$
$= 2.5 × 2.5 × 2.5\ cm^3= 15.625\ cm^3$

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