Question

please answer the question given in the picture...
the person who answers step by step will be marked as brainlist...​

Answer 1

Answer:

[(-2/7)^4] / [(-7/2)^ -9] = [(-2/7)^4] * [(-7/2)^ 9] = [(-2/7)^4] * [(-2/7)^ -9] = [(-2/7)^ (4-9) ] = [(-2/7)^ -5] = (-7/2) ^ 5 (Ans)

Answer 2

Step-by-step explanation:

${ \frac{4}{49} }^{3} \\ now \: see \: {2}^{2} = 4 \: and \: {7 }^{2} = 49 \\ so \: now ({ \frac{2}{7} }^{2} {)}^{3} \\ so \: if \: base \: is \: comman \: than \: power \\ multiple \\ { \frac{2}{7} }^{2 \times 3} = { \frac{2}{7} }^{6}$

here the answer why 6 is there