1)
32^(2/5) = 2^(2*5/5) = 2^2 = 4;
2)
81^(3/4) - (1/9)^( - 0,5) =
= 3^(4*3/4) - (3^( - 2)*( - 0.5)) =
= 3^3 - 3^1 = 24
3)
9^( - 1/2)*3^3 - (2)^( - 4/2) =
= 3^( - 2/2) * 3^3 - 2^( - 2) =
= 9 - 1/4 = 8,75
4)
3*16^(1/2) + (1/27)^(-1/3) - 27*0,0081^(- 3/4) =
= 3*4 + 3 - 27/0,027 =
= 12 + 3 - 1000 = - 985