Question

Escreva na forma de um único logaritmo
8log1+log0,77-log0,11

Answer 1

$8 log(1) + log(0.77) - log(0.11) \\ 8 \times 0 + log( \frac{77}{100} ) - log( \frac{11}{100} ) \\ log( \frac{{ \frac{77}{100} }}{ \frac{11}{100} } ) = log( \frac{77}{11} ) = log(7)$