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4 years ago

13

Each character in a password is either a digit [0-9] or lowercase letter [a-z]. How many valid passwords are there with the give

n restriction(s)? Length is 13. No character repeats.

1 answer:

Llana [10]4 years ago

3 0

Answer:

2310789600

Step-by-step explanation:

10 digits + 26 letters = 36

₃₆C₁₃ = 2310789600

Hope this helps, although i am not 100 percent sure its right.

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