no 2-4 tolong di bantuu

2.
²log16 - ³log27 + ⁵log1 = 4 - 3 + 0 = 1

3.
²log4 + ²log12 - ²log6 = ²log (4 x 12 : 6) = ²log8 = ²log2³ = 3 . ²log2 = 3 . 1 = 3

4.
²log45 = ²log (9x5) = ²log 9 + ²log5 = ²log3² + ²log5 = 2.²log3 + ²log5 = 2p + y