Question

How do you simplify `4r^6s*7r^3s^5`?

Answer 1

Let's factor out the `r`s and `s` so we can see this more clearly

`(s xx s^5) xx (r^6 xx r^3) xx (4 xx 7)`

When you multiply numbers with the same bases, we add the exponents:

`s^(1+5) xx r^(6+3) xx 28`

`28s^6r^9`