Question

How do you simplify `n^4/(5n^-2)` and write it using only positive exponents?

Answer 1

`n^6/5`

Explanation:

Splitting this we have:

`1/5xxn^4xx1/n^(-2)`

Another way of writing `1/n^(-2)" is "n^2`

So now we have

`1/5xxn^4xxn^2`

This is `1/5xxn^(4+2) = n^6/5`