Question

Resolva as seguintes equacoes exponenciais A)2x=1/32

Answer 1

2x=1/32
32= 2^5
2x=2^-5
2x=-5
x=-5/2
x=-2,5

Answer 2

$2^x= \frac{1}{32}$

⇔ $2^x= \frac{1}{2^5}$

$2^x= 2^{-5}$

$x= -5$