Diketahui log 2 = 0,301 dan log 3 = 0,477. Nilai log 120 adalah...

Kategori soal : Logaritma Kelas 10 SMA
Jawaban : Terlampir

Log 120

= log (60 ×2)

= log 60 + log 2

= log (10.6) + log 2

= log 10 + log 6 + log 2

= log 10 + log (2.3) + log 2

= log 10 +2 log 2 + log3

= 1+ 2(0,301) +0,477

= 1 + 0,602 + 0,477

= 1+ 1,079

= 2,079