Answer:
16/81
Step-by-step explanation:
(-2/3)^4
We can separate this into
(-2)^4
------------
(3)^4
because (a/b)^c = a^c / b^c
(-2)^4 =16 -2*-2*-2*-2 = 16
3^4 = 81 3*3*3*3 = 81
