In how many ways can 4 people be seated in a row of 4 chairs if each person can sit in any of the chairs?
The first person can choose any of the 4 chairs.
After the first person has chosen a chair, there are 3 remaining chairs for the second person to choose from.
After the second person has chosen a chair, there are 2 remaining chairs for the third person to choose from.
Finally, after the third person has chosen a chair, there is only 1 remaining chair for the fourth person to choose from.
Thus, the total number of ways to seat 4 people in a row of 4 chairs is given by,
Therefore, the number of ways for the seating arrangement is 24.
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