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Mathematics, 10.02.2021 21:00 Chloe0095
You need to make a new internet password for your school account. The password needs to have 3 letters, 4 numbers and 2 special characters in the following pattern (lllcc).
How many different passwords can you make without repeating any numbers, letters or characters?
How many different passwords can you make if you can repeat numbers, letters or characters?
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Answers: 2
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