Niali 3log 162-3log5-3log8+3log20 adalah??

Kelas 10 Matematika
Bab Logaritma

³log 162 - ³log 5 - ³log 8 - ³log 20
= ³log (162 . 20/(5 . 8))
= ³log (3.240/40)
= ³log 81
= ³log 3⁴
= 4 . ³log 3
= 4