Question

Which expressions are simplified? Pls help!!

Answer 1

Only A

Explanation:

`b) \: \frac{1}{ {n}^( - 5) } = {n}^(5) \\ \\ c) \: {n}^(6) * {n}^( - 8) = {n}^( - 2) \\ \\ d) \: {n}^(7) * {n}^(8) = {n}^(15) \\ \\ e) \: \frac{1}{ {n}^(3) } = {n}^( - 3)`