Question

If there are 12 inches in one foot how man cubic inches are there in a cubic foot

Answer 1

`\bf \begin{array}{llll} 1~ft&&12~in\\\\ (1~ft)^2&&(12~in)^2\\ 1^2~ft^2&&12^2~in^2\\ 1~ft^2&&144~in^2\\\\ (1~ft)^3&&(12~in)^3\\ 1^3~ft^3&&12^3~in^3\\ 1~ft^3&&1728~in^3 \end{array}`