Respuesta :

clarch19

Answer:

1/5

Step-by-step explanation:

[tex]5^{-x}[/tex] = 25 so  x = -2 because [tex]5^{2}[/tex] = 25

if x = -2 then plug in: 5^1/2(-2)  =  5^-1  = 1/5

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