Question

Jika log 2 = 0,301 dan log 3 = 0,699 ; nilai log 12,5 adalah

Answer 1

Verified answer

Bab Logaritma
Matematika SMA Kelas X

^ = pangkat

log 12,5
= log (100/8)
= log 100 - log 8
= log 10² - log 2^3
= 2 . log 10 - 3 . log 2
= 2 - 3 . 0,301
= 2 - 0,903
= 1,097