Question

plz help me with the full solution

Answer 1

9^0=1, 9^-1=1/9 , 9^-2=1/81 ,

9^1/2=39^-1/2=1/3

So , Ur question can be written as

1+1/9-1/81+3-1/3 = 305/81=3.765

Hope it is correct and helps u definitely

Answer 2

hey brother
your answer is in the attached file