3 years ago

In how many ways can a password be made using four letters from the 26 letter English alphabet letters can’t be repeated

1 answer:

7 0

Answer:

If you go by normal method, no. of possible passwords that can be created with 26 alphabets are 26X26X26X26 = 456,976

Step-by-step explanation:

. If you do not want to repeat the alphabets, you can use combinations. i.e. C(26, 4) or 26C4 = 358,800 ways

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