SOLUTION: Three research departments have 10,8,9 members respectively each department is to select a delegate and an alternate to represent the department at a conference. In how many ways
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-> SOLUTION: Three research departments have 10,8,9 members respectively each department is to select a delegate and an alternate to represent the department at a conference. In how many ways
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Question 1033955: Three research departments have 10,8,9 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 Answer by Edwin McCravy(20060) (Show Source):
Choose the delegate for the first department in 10 ways.
Choose the alternate for the first department in 9 ways.
Choose the delegate for the second department in 8 ways.
Choose the alternate for the second department in 7 ways.
Choose the delegate for the third department in 9 ways.
Choose the alternate for the third department in 8 ways.
Answer: 10×9×8×7×9×8 = 362880 ways.
Edwin
