Solve the problem.
-How many ways can 6 people be chosen and arranged in a straight line if there are 8 people to choose from?
A) 20,160
B) 720
C) 48
D) 40,320

Question

Quizplus · Accepted Answer

The number of ways to choose and arrange 6 people out of 8 is given by the permutation formula: P(n, r) = n! / (n-r)!. Here, n = 8 and r = 6, so P(8, 6) = 8! / (8-6)! = 8! / 2! = 40,320 / 2 = 20,160.

Solve the Problem. -How Many Ways Can 6 People Be Chosen and Arranged