Question

Resolva a equação exponencial:
(1/4) 5x= 1/16

Answer 1

${ (\frac{1}{4} )}^{5x} = \frac{1}{16} \\ {4}^{ - 5x} = {4}^{ - 2} \\ \\ - 5x = - 2 \\ x = \frac{2}{5}$