Question 550469: Vice Presidents-The board of a pharmaceutical company has nine members. One board member will be selected as vice president of marketing, and a different board member will be selected as vice president of research. How many different arrangements of the two vice presidents are possible?
Thank you in advance.
Answer by jim_thompson5910(35256)   (Show Source):
You can put this solution on YOUR website! P(n,r) = (n!)/((n-r)!)
P(9,2) = (9!)/((9-2)!)
P(9,2) = (9!)/(7!)
P(9,2) = (9*8*7!)/(7!)
P(9,2) = 9*8
P(9,2) = 72
So there are 72 ways.
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