I am trying to help someone with this problem. I have absolutely no clue where to even begin in this question. I am only asking for a nudge in the correct direction, not asking for anyone to solve the question completely.
"8 digits (0-7) are to be arranged in a 2 x 4 table. In how many ways can they be arranged if entry in row 1 must be less than row 2?"
Any and all help is greatly appreciated!