Question

A book club has 10 members.

How many ways can they choose a president, vice president, and secretary from among the members?

A.
720

B.
30

C.
100

D.
120

Answer 1

herese 10 choices for president 

there would 9 choices for vice 

8 choices for secretary 

so 10*9*8=720 

720 choices

Answer 2

slot method
1st slot, 10 options
2nd slot, 9 options (1 went to first slot)
3rd slot, 8 options (1 moer to 2nd slot)

multiply them
10*9*8=720 options

A is answer