Answer:
Eh it's very simple
Use the laws of exponents.

Then further simplify to

Then it becomes

Final answer is

Heres the answer, hope it helped.
Don't forget to give thanks. :)

<h3>Answer: C. closed dot at 7; shade all the points to the right of 7.</h3>
Answer:
-70
Step-by-step explanation:
This is not an expression due to the =, because that makes it an equation. So I will assume the = is a +, to make it an expression.
1. Combine all negative numbers: -68 - 4 - 3 = -75
2. Add to 5, -75 + 5 = -70