A club has 5 members from these memebers the positions of president,vice-president,and, treasurer have to be filled how many different ways can these 3 positions be filled

Answer 1

there are 5C3 ways of selecting a group of 3 from 5

there are 3! ways for a group of 3 to fill 3 positions

5C3 * 3! = ?

Answer 2

or just P(5,3)
= 5*4*3
= ....