Geraldine is picking a four-digit password by using the digits 0 through 9. She can use each digit only once. How many different passwords are possible?
34
40
5,040
10,000

Question

Geraldine is picking a four-digit password by using the digits 0 through 9. She can use each digit only once. How many different passwords are possible?
34
40
5,040
10,000

GPT-5 mini · Answer

There are P(10,4) = 10×9×8×7 = 5,040 possible 4-digit passwords (order matters and digits cannot repeat). So 5,040.

Geraldine is picking a four-digit password by using the digits 0 through 9. She can use each digit only once. How many different passwords are possible?
34
40
5,040
10,000

All Answers 1

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Geraldine is picking a four-digit password by using the digits 0 through 9. She can use each digit only once. How many different passwords are possible? 34 40 5,040 10,000

All Answers 1