Question

help me out with this ...... we need to find value of this

Answer 1

answer is 8/27!!!
(81/16)^-3/4
=(3/2)^4*-3/4
=(3/2)^-3
=(2/3)^3
=8/27!!!

Answer 2

5+ 1/16 )^-3/4

81/16)^ -3/4

3^4/2^4)^ -3/4

(3/2)^4^-3/4

(3/2)^-3

2/3)^3

8/27