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Can you use the numbers 1, 2, 3, and 4 in a combination of four digits to assign a unique ID code to each of 500 people? Explain your reasoning.

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Answer:

No.

Step-by-step explanation:

There are 4 numbers  and they can be arranged in 4! ways.

4! = 4*3*2*1 = 24 ways so it is not possible  to assign a unique 4 digit number to 500 people.

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