Nilai dari2log 16-3log 27+ 5log 1= …

2 log 16-3 log 27+5 log 1
= 2 log 2^4-3 log 3^3+0
= 4.2 log 2-3.3 log 3
= 4-3
= 1

2 log 16 = 2 log 2^4
3 log 27 = 3 log 3^3
5 log 1 = 5 log 5^0
Jadi …
4 – 3 + 0 = 1