Question

How do you simplify `(14a^-4)/(20bc^-1)` using only positive exponents?

Answer 1

`=(7c)/(10a^4b)`

Explanation:

`a^-b=1/a^b`
`1/a^-b=a^b/1=a^b`

`(14a^-4)/(20bc^-1)=(14)/(20a^4bc^-1)=(14c)/(20a^4b)=(7c)/(10a^4b)`