Question

simplify this expression (5)^ -5 (5)^ 7 please explain how you got the answer

A.1/25
B.25
C.10
D. 5^ -35

Answer 1

Answer:

$( {5}^{ - 5} ) \times ( {5}^{7} ) \\ \\ \frac{ {5}^{7} }{ {5}^{5} } = {5}^{7 - 5} = {5}^{2}$

the answer is b. 25