8/7
In this case, the base is 7/8 and the exponent is -4.
In order to find the reciprocal of a fraction we just have to flip it upside down:
That is why the answer is 8/7.
Answer:
7
Step-by-step explanation:
a=2x-b
-0.89, 4/10, 1/2, 9/8, 2