Asked by eryn
An executive committee of three is selected from a group of ten. Which expression best describes the number of combinations?
A. 10P3 (small 10 and 3)
B. 10!
C. 3P10 (small 3 and 10)
D. 10P3/3! (small 10 and 3 on top, big 3! on the bottom)
A. 10P3 (small 10 and 3)
B. 10!
C. 3P10 (small 3 and 10)
D. 10P3/3! (small 10 and 3 on top, big 3! on the bottom)
Answers
Answered by
Damon
I am not sure what your notation is but here is the recipe:
C(n,r) = n!/[r!(n-r)!]
n = 10
r = 3
10!/[3!7!]
10*9*8/(3*2)
10*3*4
120
C(n,r) = n!/[r!(n-r)!]
n = 10
r = 3
10!/[3!7!]
10*9*8/(3*2)
10*3*4
120
There are no AI answers yet. The ability to request AI answers is coming soon!
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.