Hitunglah nilai dari 4 log 9 . 3 log  125 .25 log 16

^a log b . ^b log c = ^a log c
^4 log 9 . ^3 log 125 . ^25 log 16
^2² log 3² . ^3 log 5³ . ^5² log 2^4
2/2 ^2log3 . 3 ^3log5 . 4/2 ^5log2
(1.3.2) ^2log3 . ^3log5 . ^5log2
6 ^2log2 = 6.1 = 6