SOLUTION: The Medical Club has nine members. In how many ways i. Can all nine members line up for a picture? ii. Can they choose a president and a secretary? iii. Can they choose five mem

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Question 1184271: The Medical Club has nine members. In how many ways
i. Can all nine members line up for a picture?
ii. Can they choose a president and a secretary?
iii. Can they choose five members to attend a regional conference with no regard to
order?
Answer by ikleyn(53751) About Me  (Show Source):
You can put this solution on YOUR website!
.

(i)     in 9! = 9*8*7*6*5*4*3*2*1 = 362880  different ways.


(ii)    in 9*8 = 72 different ways.


(iii)   in  C%5B9%5D%5E5 = %289%2A8%2A7%2A6%29%2F%281%2A2%2A3%2A4%29 = 126  different ways.

Solved.