Question

Qual a solução da equação exponencial ?

Answer 1

$32 = 2^5\\0.4 = \frac{4}{10} \\\\\\2^{0.4x} = 32\\2^{0.4x} = 2^{5}\\0.4x = 5\\x = \frac{5}{\frac{4}{10} } = 5*\frac{10}{4} = \frac{50}{4} = 12.5$