tlg kerjain sama caranya y kak bsk tgl 18 okt udah di kumpulin

Bab Logaritma
Matematika SMA Kelas X

^ = pangkat

20] ^5log 625
= ^5log 5^4
= 4

21] ²log 25 + ²log 40 - ²log 125
= ²log (25 . 40 : 125)
= ²log 8
= ²log 2^3
= 3

22] log 180
= log (10 . 2 . 9)
= log 10 + log 2 + log 9
= 1 + 0,301 + log 3²
= 1,301 + 2 . log 3
= 1,301 + 2 . 0,477
= 1,301 + 0,954
= 2,255