Question

se log 2 = 0.301 e log 3 = 0,477, encontre o valor de log 1,8

Answer 1

1,8 = 18/10

log1,8 = log(18/10)
log(18/10) =
log18 - log10=
log2*(3^2) - log10=
log2 + log(3^2) - log10=
log2 + 2log3 - log10=
0,301 + 3*0,477 - 1 =
0.301 + 1,431 - 1 = 0,255