Question

Pls help me in this question.........​

Answer 1

Answer:

m = -9

Step-by-step explanation:

$(-5)^{m-1}$ ÷ $(-5)^{2}$ = $(-5)^{-8}$

$(-5)^{m-1}$ = $(-5)^{-8}$ x $(-5)^{-2}$

$(-5)^{m-1}$ = $(-5)^{-8-2}$

$(-5)^{m-1}$ = $(-5)^{-10}$

m-1 = -10

m = -9