SOLUTION: How many ways can a president and vice president be selected in a class of fifteen students?
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Question 579112
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How many ways can a president and vice president be selected in a class of fifteen students?
Answer by
edjones(8007)
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15P2
=15!/(15-2)!
=15!/13!
=(15*14*13!)/13!
=15*14
=210 ways
.
Ed