Answer:
YOUR GETTING 400 POINTS
Step-by-step explanation:
-5t2 + 40t = 0
5t(-t+ 8) = 0
5t = 0 or t = 8
You have to divide negative fifty-six by eight to get the charge on each particle. So you do -56/8. Which gives you negative seven as the answer.
Answer = -7
810+189-715= 284. the answer is 284
