Question

Sendo log2=0,30 e log3=0,48.qual o log de 18

Answer 1

Dados: log2 = 0,3 e log3 = 0,48

Calcular log18:

log18 = log(2 · 9)
log18 = log2 + log9 
log18 = log2 + log3²
log18 = log2 + 2 log3
log18 = 0,3 + 2(0,48)

log18 = 1,26