Question

Qual o valor de x na espressao (100^2x)^-2=0,001

Answer 1

Resposta:

$X = \frac{3}{8}$

Explicação passo a passo:

$(100^{2X} )^{-2} = 0,001\\(100^{2X} )^{-2} = 10^{-3}\\100^{-4X} = 10^{-3}\\\\10^{-8X} = 10^{-3}\\\\\\-8X = -3\\X = \frac{3}{8}$