Question

alguém me ajudaaa: 8^×=0,25

Answer 1

$8^x=0,25\\ (2^3)^x=(\frac{1}{4})\\ (2^3)^x=(2^{-2})\\\\ 2^{3x}=2^{-2}\\\\ 3x=-2\\\\ x=\frac{-2}{3}$

Answer 2

Resposta:

x=-2/3

Explicação passo-a-passo:

$\\8^x=0,25\\\\2^3x=\dfrac{1}{4}\\\\2^3x=2^{-2}\\\\3x=-2\\\\x=-\dfrac{2}{3}$

Bons Estudos :)