Three research departments have 10, 6, and 8 members, respectively. Each department is to select a...

 

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Three research departments have 10, 6, and 8 members, respectively. 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? (If necessary, consult a list of formulas.) Three research departments have 10, 6, and 8 members, respectively. 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? (If necessary, consult a list of formulas.)