Question

plzzzzzzzzzzzzzzzz zzzzzzzzzzzzzzzzzzzzzzzzzzzzxzz​

Answer 1

Step-by-step explanation:

${( {a}^{m} )}^{n} = {a}^{mn}$

((-3)³)-¹=-3-³

(-3)-³*(-7)-³

${a}^{m} \times { b}^{m} =( {ab})^{m}$

(-3*-7)-³

21-³

${a}^{ -m } = \frac{1}{ {a}^{m} }$

$\frac{1}{ {21}^{3} }$

Answer 2

Answer:

answer attached in photo