Question

Log 1/10 na base (1/10)elevado a 7

Answer 1

Olá, tudo bem?

$\log_{\left( \frac{1}{10}\right)^{7}}\left( \dfrac{1}{10} \right)=\dfrac{1}{7}.\log_{\frac{1}{10}}\left( \dfrac{1}{10} \right)=\dfrac{1}{7}.1=\boxed{\dfrac{1}{7}}\,\,\text{(resposta final)}$

É isso!!