Question

How do you multiply `(r ^ { 3} t ^ { 4} ) ^ { 3} ( r ^ { 4} t ^ { 4} ) ^ { 5}`?

Answer 1

`r^29 t^32`

Explanation:

`(r^3t^4)^3 (r^4t^4)^5`

Remove the brackets by multiplying the indices.

`r^9t^12 xx r^20 t^20`

To multiply, add the indices of like bases:

`r^29 t^32`