Question

How do you simplify `5ba^-4` and write it using only positive exponents?

Answer 1

`(5b)/(a^4)`

Explanation:

There is an index law that states, `a^-n=1/a^n`
So,

`5ba^-4=(5b)*a^-4`

therefore `(5b)*(1/a^4)=(5b)/(a^4)`