Question

Resolva as questões:
4ˣ = 256
4ˣ = 1/729
4³ˣ = 1/64

Answer 1

4ˣ = 256
$2^{2x}$ = $2^{8}$

2x = 8
x = 4

$4^{3x} = \frac{1}{64}$
$4^{3x} = 64^{-1}$
$2^{6x} = 2^{-6}$

6x = -6
x = -1