Jawabanmu

2014-09-12T19:20:04+07:00
Log 10,5 = log 7. log 3 / log 2
log 10,5 = log 7 + log 2 - log 2
log 10,5= 0,8451 + 0, 4771 - 0,3010
log 10,5 = 1,0212
2014-09-12T19:20:40+07:00
Log 10,5 = log 7 x log 3 / log 2 =  0,4772 + 0,8451 - 0,3010 = 1,0213