Jawabanmu

2014-09-03T18:38:41+07:00
2014-09-03T18:40:06+07:00
Log 20 = log(10*2) = log 10 + log 2
log 10 = 1 (10log10 = 1 atau log(5 * 2) = log 5 + log 2 = 0,6990 + 0,3010 = 1)
log 2 = 0,3010
1 + 0,3010 = 1,3010