## anonymous 5 years ago How many ways can a club of 10 students pick a president, vice president, treasurer, and secretary. I missed this lesson and i need to know how to get this answer : P(10,3) = 720 I am totally lost ;P Please please please pleeeeeeeaaaaase help? :(

1. anonymous

ten choices for president times 9 choices for vp times 8 choices for treasurer times 7 choices for secretary = $10\times 9\times 8\times 7$

2. anonymous

Alright which would be 5040 .....

3. anonymous

you should be confused 720 is wrong

4. anonymous

I am on my lesson and it says that the answer.. >.<

5. anonymous

it is P(10,4) not P(10,3) as you have 4 positions to fill, not 3!

6. anonymous

Ik!!! and it says 3!!! thats why im so confused >.<

7. anonymous

it says :

8. anonymous

write the problem in P(n,r) notation then use counting permutation formula to get the numerical answer..

9. anonymous

Does that help any? (: