X=3 im pretty sure i dont rly have a explanation
Yes. I can help. What do you need with help with concerning polynomials?
5000 = 5 * 10 * 10 * 10
5000 = 5 * 10^3 <<<<< answer
This can also be done as
5^4 * 2^3
6 is the tenth value. Round the number after 6 which is 4. Since it is less than 5, you round down. So the answer would be .6