Jawabanmu

2014-08-30T12:25:03+07:00
2014-08-30T12:27:40+07:00
Diket:
10 log2 = 0,3010
10 log80=?
jawab:
10 log80 = 10 log(2x2x2x10)
= 10 log2+10 log2+10 log2+10 log10
= 3 x 10 log2 + 10 log10
=3 x 0,3010 + 1
= 0,9030 + 1
=1,9030