2 log× 25×3 log 16× 5 log 27

2 log× 25×3 log 16× 5 log 27

2log 25 * 3log 16 * 5log 27
2log 5pangkat2 * 3log 2pangkat 4* 5log 3pangkat3
2*4*3 2log 5* 5log 3*3log2 (tinggal dicoret)
8*3=24 selesai

$Log_{2} 25.Log_{3}16 .Log_{5} 27\\ =Log_{2} 5^{2} Log_{3}2^{4}Log_{5}3^{3} \ \=5.Log_{2} 5.4.Log_{3}2.3.Log_{5}3 \\ =5.4.3.Log_{2} .5Log_{5}3 .Log_{3}2\ \=60.Log_{2}2\\ =60$