Answer:

Step-by-step explanation:
<u>Exponents Properties</u>
We need to recall the following properties of exponents:


We are given the expression:

We need to express the following expression in terms of n.

It's necessary to modify the expression to use the given equivalence.
Recall
. Thus:

Applying the property:

Substituting the given expression:

Or, equivalently:

Answer:
30 degrees
Step-by-step explanation:
180 - 120 = 60
60 / 2 = 30
Hope that helps!
An Integer is a whole number so you can take out B and C and the

is 6.5 so your answer is A