Question

Can someone please help me??

Answer 1

Answer:

1) D.

2) A

Step-by-step Explanation:

1) $7^{-2}$

= $(\frac{1}{7})^2$

2) $(\frac{2}{3})^{-3}$

= $(\frac{3}{2})^{3}$

Answer 2

Answer:

Step-by-step explanation:

$a^{-m}=(\frac{1}{a})^{m}\\\\\\1)7^{-2}=(\frac{1}{7})^{2}\\\\\\2)(\frac{2}{3})^{-3}=(\frac{1}{\frac{2}{3}})^{3}\\\\=(\frac{3}{2})^{3}$