Question

Evalute:
(Attachment)
The answers are supposed to be:
30) 27square
31) log 2
39) log 3/8
40) 2

Answer 1

Q 39 1/2 log 9-3log 4+3log 2
=log(9)^1/2-log(4)^3+log(2)^3
=log 3-log64+log8
=log(3*8/64)
=log(3/8)