Question

Considerando log 2=0,30 E log 3= 0,48 calcule
a) log 15
Me ajudem por favor

Answer 1

$a) \: log(15) \\ log(1.5 \times 10) \\ log(1.5) + log(10) \\ log( \frac{3}{2} ) + 1 \\ log(3) - log(2) + 1 \\ 0.48 - 0.30 + 1 \\ 1.18$

Resposta final: 1,18