ANSWER

EXPLANATION
The given expression is

This is having a negative index. We must first of all change to a positive index.
Recall that,

We apply this law of exponents to get,

We cab rewrite the given expression to obtain;

This will simplify to give us,
Answer:
Step-by-step explanation:
A. The Ratio Test says that the series converges absolutely
I think the answer is D because you have to move the decimal three times anyway, then you only need to add seven more zeroes to make it correct (in my opinion).
1 - (1/4 + 2*1/4)
1 - 3/4
1/4 of the living room still remains unpainted.