Answer, , i need this by 10: 00, you!

Awrestling tournament begins with 128 competitors. in the first round, each competitor has 1 match against another wrestler. the winner of each match moves on to the next round until there is a winner. write a sequence in which the terms represent the number of players still in the tournament at the end of each round. describe the sequence? how many rounds are in the tournament?

What is coefficient of the term of degree of degree 5 in the polynomial below

50 points~ ! i have to turn this in tomarrow