2. How many ways can 3 men and 2 women sit in a row if the men and women must alternate? 3. Anna is choosing and arranging a set of 3 dresses from a set of 10 dresses. How many ways are
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Since they must alternate, we have two possibilities for the first person in the row: either a man or a woman. Once we choose the first person, we have two possibilities for the second person: if the first person is a man, then the second person must be a woman, Show more…
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