Question

Dados log 2=0,30 , log3 = 0,48 e log5 =0,70 calcule o valor de:
Log 10
Log 8

Answer 1

log2.log5=log10
0,30.0,70= log10
0,21=log10


log2.log2.log2=log8
0,30.0,30.0,30=log8
0,027=log8

Answer 2

log10= log(2 x 5)= log2 + log5
log10= 0,3 + 0,7
log10= 1,0