Question

Can someone please help me??

Answer 1

Explanation:

`a^(-m)=((1)/(a))^(m)\\\\\\1)7^(-2)=((1)/(7))^(2)\\\\\\2)((2)/(3))^(-3)=((1)/((2)/(3)))^(3)\\\\=((3)/(2))^(3)`

Answer 2

1) D.

2) A

Explanation:

1)
`7^(-2)`

=
`((1)/(7))^2`

2)
`((2)/(3))^(-3)`

=
`((3)/(2))^(3)`