Jawabanmu

2013-12-10T14:15:50+07:00
8000 dB
dari hasil 80 dB x 100 = 8000 dB
2013-12-10T15:25:49+07:00
TI tot = TI + 10 . Log n
80     = TI + 10 . Log 100
80     = TI + 10 . 2
80     = TI + 20
TI     =  80 - 20
TI     = 60
TIn = TI1 + 10 . log n
TIn = 80 + 10 . log 100
= 80 + 10 . 2
= 80 + 20
= 100 dB