Question

There are 24 students in a homeroom. How many different ways can they be chosen to be elected President, Vice President, Treasurer, and Secretary?

Answer 1

Answer:There are 24 chances for President. 24-1=23 chances for Vice President, 23-1=22 chances for Treasurer and 22-1=20 for Secretary. 24*23*22*21=255,024 different ways can be made.

Explanation:

224P4= 24!/20!=21*22*23*24=255,024 ways.