Question

Dados log 2=0,3010 e log 3=0,4771 calcule:
a) log 144
b) log 3 sobre 5
c) log 5/2
d) log raiz de 3
e) log 108

Answer 1

Primeiro fatoramos 144

144/2
72/2
36/2
18/2
9/3
3/3
1

Obtemos 2,2,2,2,3,3

agora e so somar
log 2+log2+log2+log2+log3+log3
0.3010+ 0.3010+ 0.3010+ 0.3010+0.4771+0.4771 = =2.1582