Compute C8,3

2 answers

C(8,3) = 8!/(5!3!) = 56

on my calculator I have a key called
_n C _r
which is the same as C(n,r)

so enter:

8
2nd
_n C _r , (on my SHARP it is on the frame above the 5)
3
=

you should get the 56

Calculate c (6 4)

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