SOLUTION: There are 20 students participating in a math bee. How many ways can the students be chosen to go first, second, third, and fourth?

Algebra ->  Probability-and-statistics -> SOLUTION: There are 20 students participating in a math bee. How many ways can the students be chosen to go first, second, third, and fourth?      Log On


   

Question 411608: There are 20 students participating in a math bee. How many ways can the students be chosen to go first, second, third, and fourth?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!


Hi

There are 20 students participating in a math bee

How many ways can the students be chosen to go first, second, third, and fourth

  20P4 ways     |nPx = n%21%2F%28n-x%29%21%29

  20*19*18*17 = 116,280 ways