Question

O valor de log₀,₀₄°,² será?

Answer 1

$\log_{0,04}0,2=\log_ \frac{4}{100} \frac{2}{10}=\log_ \frac{1}{25} \frac{1}{5}=\log_ {5^{-2} } 5^{-1}= -\frac{1}{2}.(-1).\log_55= \frac{1}{2}$