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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?

User Mqklin
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2 Answers

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175760 is the answer
User Pradeep Pati
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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


User Jmargolisvt
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