5 log 9 dikali 3 log 1/16 dikali 8 log 1/125 ada yang bisa bantu?

5log9 × 3log1/16 × 8log1/125
5log3^2 × 3log2^-4 × 2^3log5^-3
2 x -4 x 3/-3 × 5log3 × 3log2 × 2log5
8 × 1
8

5log9 x 3log1/16 x 8log1/125
= 5log5^-3 x 2³ log2^-4 x ³log3²
= -3 x (-4/3) x 2
= 8