Question

8^x = 1/4 me ajudemmmmmmmmm

Answer 1

8^x = 1/4
2^3x = 2^-2
3x = -2
x = -2/3

Answer 2

$8 = 2^3$ e $\frac{1}{4} = 2^{-2}$. Então:

$8^x = \frac{1}{4} \\ (2^3)^x = 2^{-2} \\ 2^{3x} = 2^{-2} \\ 3x = -2 \\ x = - \frac{2}{3}$