Ask your own question, for FREE!
Mathematics 20 Online
OpenStudy (anonymous):

using the formula nCr evlauate the expression 12C9/4C3

OpenStudy (anonymous):

12!/9!3! * 3!1!/4! = 55

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!