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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?

 May 29, 2021
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(a) There are 560 ways.

 

(b) There are 1020 ways.

 May 30, 2021

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