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

By: USER6728
26 Agustus 2025 mathematics 5 minutes
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Question

Grade: Education Subject: mathematics
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
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Answer (151)

Best Answer
(72)
The answer is 2 because 10/4 = 2.5 and we can't have half of a password.
Answered on 26 Agustus 2025
(86)
Number of ways = 10C4 = 10 x 9 x 8 x 7 = 5040

Answer: 5040
Answered on 26 Agustus 2025

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