Question
Find the volume of a cube whose side is: $1.5\ dm.$

Answer

Side of cube $(a) = 1.5\ dm = 15\ cm$
$\therefore$ Volume $= a^3= (1.5)^3\ dm^2= (15)^3\ cm^3$
$= 15 × 15 × 15 = 3375\ cm^3$

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