What is 100C4?

Question

This is Combination notation, but without the subscripts.) Even if the number is >= 1000, do NOT type commas.

Answer 1

Hi Caleb

 

 

                 100!          100!         100·99·98·97

₁₀₀C_{4 = --------------- = ------------ = --------------------- = 3921225}

            4! (100-4)!    4! 96!            4·3·2·1