Question

Usando apenas log 2 = 0, 30, log 3 = 0, 47 e log 5 = 0, 69, calcule: log 4 + log 5

Answer 1

Explicação passo-a-passo:

$= log(4) + log(5)$

$= log( {2}^{2} ) + log(5)$

$= 2 log(2) + log(5)$

$= 2(0.3) + 0.69$

$= 0.6 + 0.69$

$= 1.29$