SOLUTION
Given the question in the image, the following are the solution steps to answer the question.
STEP 1: Define the volume of a cube
[tex]Volume=a^3[/tex][tex]\begin{gathered} Recall\text{ that:} \\ length=width=height=a \end{gathered}[/tex]Hence, answer is:
"You find the volume of a cube by multiplying its length by its width by its height"