HELPPP PLEASE!!
Three research departments have 10, 7 ,6 and members, respectively. If each department is to select a delegate and an alternate to represent the department at a conference, in how many ways can this be done?
Three research departments have 10, 7 ,6 and members, respectively. If each department is to select a delegate and an alternate to represent the department at a conference, in how many ways can this be done?