You need to create a password for your new email account. It must consist of 3 letters followed by 4 digits. You can repeat letters and numbers. How many different passwords can you create?

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Mathematics

25 June, 15:41

You need to create a password for your new email account. It must consist of 3 letters followed by 4 digits. You can repeat letters and numbers. How many different passwords can you create?

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Henderson · Answer 1

There are 24 letters in the English alphabet, and 9 digits you can possibly use.

24 * 3 letters = 72

9 * 4 digits = 36

72+36 = 108 possible combinations