wonjun7p8aml0 wonjun7p8aml0

08-05-2018
Mathematics

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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

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slayyykhiddnaya slayyykhiddnaya

08-05-2018

The answer is 2 because 10/4 = 2.5 and we can't have half of a password.

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Аноним Аноним

08-05-2018

Number of ways = 10C4 = 10 x 9 x 8 x 7 = 5040

Answer: 5040

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