Question

Determine log 90, sendo log 3 = 0,48.

Answer 1

Resposta:

1.96

Explicação passo-a-passo:

$log_{10}(3) = 0.48$

$90 = 3 \times 3 \times 10 = 3 {}^{2} \times 10$

$log(90) = log(3 {}^{2} \times 10 )$

$log(3 {}^{2} ) + log(10)$

$2 \times log(3) + 1 = 0.96 + 1 = 1.96$