Question

LOGARITIMOS AJUDAAAAA

Answer 1

Vamos lá:

$log_{\frac{2}{3}} \frac{8}{27} = x \\\\ (\frac{2}{3})^x = \frac{8}{27} \\\\ \frac{2}{3}^x = (\frac{2}{3})^3 \\\\ x = 3$

Espero ter ajudado.