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There are 4 possible options for first place. There are then 3 possible options for second place. Then there are 2 possible options for third place, and only 1 left for fourth place. Thus the number of options if 4x3x2x1. This works out at 24, so there are 24 ways you can line up 4 people.

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12y ago
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4y ago

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Q: How many different ways can you line up 4 people?
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