Question

How do you simplify `4n^4*2n^-3` and write it using only positive exponents?

Answer 1

`8n^1=8n`

Explanation:

We have:

`4n^4*2n^-3`

`=4*n^4*2*n^-3`

`=8n^4n^-3`

Using exponent rules, `a^b*a^c=a^(b+c)`.

So, we get

`=8n^(4-3)`

`=8n^1`

`=8n`

That's all!