Question

I'm confuesed someone please help me!!! ASAp :)

Answer 1

r-7
r12
r-12
r7

Answer 2

\[\huge (a^m)^n = a^{m\times n}\]

Answer 3

\[\huge\left( r^{-3}\right)^{-4} = r^{-3\times (-4)} = r^{12}\]

Answer 4

Thank you! I have a few more could you help?

Answer 5

@rational