8. Our club has 10 members, and we need to appoint a president, a vice-president, and a secretary. How many ways can we do this if:
(a) Each member can hold at most one office?
(b) Members can hold any number of offices?
(a) C(10,3) = 120
(b) 10*9*8 = 720
Guest's answers are not correct.
https://web2.0calc.com/questions/our-club-has-10-members