SOLUTION: Use the formula for nCr to evaluate the given expression. 33C3=

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Question 715176: Use the formula for nCr to evaluate the given expression.
33C3=
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
n C r = (n!)/(r!(n-r)!)

33 C 3 = (33!)/(3!*(33-3)!)

33 C 3 = (33!)/(3!*30!)

33 C 3 = (33*32*31*30!)/(3!*30!)

33 C 3 = (33*32*31)/(3!)

33 C 3 = (33*32*31)/(3*2*1)

33 C 3 = (32736)/(6)

33 C 3 = 5456