How to simplify this

Question

(6x³)² (6y³)/(9xy)⁶

Then multiply to -1/2

Answer 1

(6x³)² (6y³)/(9xy)⁶ = (36x⁶)(6y³)/(533,441x⁶y⁶)

= (36*6/533,441)/y³ = 8/(19,683y³)

If you meant multiply by -1/2, then the answer is

-4/(19,683y³)

If you meant take the above to the -1/2 power:

40.5y√(3y)