Question

Find the value of n PLEASE HELP ASAP

Answer 1

`n = 3`

Explanation:

`{p}^(3) {q}^(2) ( \frac{ {p}^(4) {q}^(n) {r}^(3) }{ {r}^( - 4) } ) = {p}^(7 ) {q}^(5) {r}^(7) \\ {p}^(7) {q}^(2 + n) {r}^(7) = {p}^(7) {q}^(5) {r}^(7) \\ {q}^(2 + n) = {q}^(5) \\ 2 + n = 5 \\ n = 5 - 2 \\ n = 3`