log 3 = 0,477 dan log 2 = 0,3001 , nilai log 18 = .....
Matematika
andriyustina
Pertanyaan
log 3 = 0,477 dan log 2 = 0,3001 , nilai log 18 = .....
1 Jawaban
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1. Jawaban Sutr1sn0
log 18
= log (2 × 9)
= log (2 × 3^2)
= log 2 + log 3^2
= log 2 + 2 × log 3
= 0,3001 + 2 × 0,477
= 0,3001 + 0,954
= 1,2541