The volume of a cube is given by:
[tex]V=l^3[/tex]where l is the length of its edges. In this case the length is 9.6 inches, plugging these values we have:
[tex]\begin{gathered} V=(9.6)^3 \\ V=884.736 \end{gathered}[/tex]Therefore, the tank can hold 884.7 cubic inches of water.
