Question

sendo Log 2= 0,30 e Log3= 0,47, calcule: log 72

Answer 1

Log 2=0,30
Log 3=0,47
log 72= log2³. log3²
log 72=3.log2+2.log3
log 72=3.0,30+2.0,47
log 72=0,9+0,94
log 72=1,84