Question

Sendo log2=0,30 , calcule log20

0,5
0,3
0,7
1,3

Answer 1

㏒(2 * 10)

㏒(2) +㏒(10)

0.3 +1

1.3

Answer 2

Vamos

log(a*b) = log(a) + log(b)

log(20) = log(2*10) = log(2) + log(10)

log(20) = 0.30 + 1 = 1.30