Question

Calcula la base de este logaritmo: log x 0,04 = -2

Answer 1

$Log_{x} 0,04 = -2$

$x^{-2} = \frac{4}{100}$

$x^{-2} = (\frac{2}{10} ) ^{ ^{2} }$

$x^{-2} = (\frac{10}{2} ) ^{ ^{-2} }$

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

x = 5