Ask your own question, for FREE!
Mathematics 13 Online
OpenStudy (anonymous):

Find the number of combinations of the letters a, b, c, and d taken 3 at a time.

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!