Question

Usando as propriedades operatorias dos logaritmos, calcule:

A) log 2 2^5
B) log 2 (64 . 128)

Answer 1

a)log 2 2^5 = 5.log 2 2 = 5.1 = 5
b)log 2 (64.128) = log 2 64 + log 2 128 = log 2 2^6 + log 2 2^7 =
 = 6.log 2 2+7.log 2 2 = 6.1+7.1 = 13