Question

sendo log2=0,30 e log3=0,43,o valor de log 12 é?

Answer 1

12 = 2·2·3

log12 =
log(2·2·3) = 
log2+log2+log3 = 
0,3+0,3+0,43 = 
1,03

∴ log12 = 1,03