SOLUTION: Question 1: In how many ways can a chairperson and a vice chairperson be selected from a committee of 28 senators? Can someone reply to this ASAP please. Last problem on an exam

Algebra ->  Permutations -> SOLUTION: Question 1: In how many ways can a chairperson and a vice chairperson be selected from a committee of 28 senators? Can someone reply to this ASAP please. Last problem on an exam       Log On


   

Question 577935: Question 1: In how many ways can a chairperson and a vice chairperson be selected from a committee of 28 senators? Can someone reply to this ASAP please. Last problem on an exam quiz. Thanks.
I came up with 378? Is that correct? If I am in correct please explain what I did wrong. Thanks.
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
There are 28 choices for chairperson and there 28-1 = 27 choices (since you can't replace the senators once they're chosen) for the vice chairperson

So there are 28*27 = 756 different ways.