Question:In how many ways can 3 letters be chosen from M, N, O, P, Q, R,...
Question
In how many ways can 3 letters be chosen from M, N, O, P, Q, R,...
In how many ways can 3 letters be chosen from M, N, O, P, Q, R,
S, assuming that the order of the choices doesn't matter and that
repeats are not allowed?