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How many different ways can 8 people stand in line to sharpen their pencil?

User Jcrudy
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They can stand in 50 There are 8 such “identical rotations” for each possible seating arrangement so the total number of seatings is 8! / 8 = 7! = 5040. Four married couples have eight seats in a row for a certain show. In how many different ways can they be seated?
User Jshawl
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