Question

9^1,5-81^0,5-(0, 5)^-2

Answer 1

1) 9^1,5=27
2) 81^0,5=9
3) -(0,5)^-2=-4;
27-9-4=14

Answer 2

9^1,5-81^0,5-(0, 5)^-2 =(3²)^1,5 -           -(9²)^0,5 - (0, 5)^-2 = 3³ - 9 - 4 =27-9 - 4=14.