A password is 4 characters long and must consist of 3 letters and 1 of 10 special characters. If letters can be repeated and the
special character is at the end of the password, how many possibilities are there?
2 answers:
1st digit = 1 of 26 letters
2nd digit = 1 of 26 letters
3rd digit = 1 of 26 letters
4th digit = 1 of 10 special characters
26 x 26 x 26 x 10 = 175,760 possibilities
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