If you use the scientific notation to simplify these bigger numbers it will make it easier
Answer:

Step-by-step explanation:
Answer:
A- -6r+6
Step-by-step explanation:
Distribute the negative (it’s basically -1)
8-6r-2
Add like terms
-6r+6
Yes you seem to
be correct
<em>t would be 8 if you are multiplying .</em>