SOLUTION: Suppose you use 4 letters from the 26 letters of the alphabet to create a passord. How many possible four - letter passwords can be created if letters cannot repeat?
a) 358,800
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Question 318768: Suppose you use 4 letters from the 26 letters of the alphabet to create a passord. How many possible four - letter passwords can be created if letters cannot repeat?
a) 358,800
b) 14,950
c) 104
d)456,976
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
First letter you choose you have 26 choices.
Since you can't repeat, second letter has 25 choices.
Third letter, 24 choices.
Fourth letter, 23 choices.
a) is the correct answer.
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