Waiting for answer This question has not been answered yet. You can hire a professional tutor to get the answer.
Three research department have 10,7,and 6 members, respectively .Each department is to select a delegates and an alternate to represent the...
Three research department have 10,7,and 6 members, respectively .Each department is to select a delegates and an alternate to represent the department at a conference. In how many ways can this be done?