Question

Need help don’t understand

Answer 1

`r^2`

All choices are incorrect.

Explanation:

Remember that
`r = r^1`.

Also remember the rule:
`(a^m)/(a^n) = a^(m - n)`

`(r^3)/(r) =`

`= (r^3)/(r^1)`

`= r^(3 - 1)`

`= r^2`

Answer:
`r^2`

All choices are incorrect.

Answer 2

Answer it is B

Explanation: