candyultz candyultz

07-08-2020
Mathematics

contestada

How many ways can 4 people sit in a row of 7 chairs?

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konrad509 konrad509

07-08-2020

[tex]7\cdot6\cdot5\cdot4=840[/tex]

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fibrvee fibrvee

26-08-2020

four people can sit in a row of seven in three ways

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