Respostas

2014-01-25T10:27:15-02:00
Log(125)= log(1000/8) = log(1000)- log(8) = 3 - log(2³) = 3 - 3.log(2) = 3 - 3.(0,3010) = 

3 - 0,903 = 2,097
2 3 2