Question

sabendo que log2= 0,3010 e log3= 0,4771, calcule log125​

Answer 1

Vamos là.

log(2) = 0.3010

log(5) = log(10/2) = log(10) - log(2) = 1 - 0.3010 = 0.699

agora

log(125) = log(5^3) = 3log(5) = 3*0.699 = 2.097