Answer :
To begin with, the volume of a cube is
[tex]V=l^3[/tex]For cube 1 the side is 13ft and for cube 2 its side is 10ft
[tex]\begin{gathered} V_1=(13ft)^3 \\ V_1=2197ft^3 \\ V_2=(10ft)^3 \\ V_2=1000ft^3 \end{gathered}[/tex]The difference between the 2 cubes will be the difference between them