Respuesta :
[tex]\bf \textit{Logarithm of rationals} \\\\ \log_a\left( \frac{x}{y}\right)\implies \log_a(x)-\log_a(y) \\\\[-0.35em] \rule{34em}{0.25pt}\\\\ \log\left( \cfrac{8}{7} \right)\implies \log(8)-\log(7)\implies 0.845-0.903\implies -0.058[/tex]
