<u>Answer:</u>
8
<u>Step-by-step explanation:</u>
We are given the following expression and we are to find the simplest form of this expression:

First of all, we will factor the coefficient:

Rewriting it as:

Applying the exponent rule
to get:


-4/5 = -8/10
9/10 -8/10 = 1/10
1/10
Answer:
a
Step-by-step explanation:
because I have did this at school