Question

Resolva a equaçao exponencial
5×=1/25

Answer 1

5^x=1/5^2
5^x=5^-2
x=-2

Answer 2

veja...

$5^x= \frac{1}{25 } \\ \\ 5^x= \frac{1}{5^2} \\ \\ \not5^x=\not5^{-2} \\ \\ x=-2$