Question

Dados log 2=0,301 e log 3=0,477 calcule? a) log 18 b) log3

Answer 1

a)
$log18=log\left(2\cdot 3\cdot 3\right)\\ \\ log18=log2+log3+log3=0,301+0,477+0,477=1,255$

b)
$log3=0,477$