1.log4 (16) ×log9( 8)
=log2^2(2^4)*log3^2(2^3)
=2log2 (2)*3/2log2(3)
=2*3/2log2(3)
=3log2(3)
2.3^(2+log32)
=3^2*3^log3(2)
=9*2
=18
3.5^(2-log5 3)
=5^2/5^log5(3)
=25/3