Answer: 20
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Fiona needs to chose a five-character password with a combination of three letters and the even numbers 0 2 4 6 or 8.If she uses her initials F J and S in order as the first three characters and she does not use the same digit more than once in her password how many different possible passwords are there?
Fiona needs to chose a five-character password with a combination of three letters and the even numbers 0 2 4 6 or 8. If she uses her initials F J and S in order as the first three characters and she does not use the same digit more than once in her password how many different possible passwords are there ? 10 20 24 40
Fiona needs to chose a five-character password with a combination of three letters and the even numbers 0 2 4 6 or 8. If she uses her initials F J and S in order as the first three characters and she does not use the same digit more than once in her password how many different possible passwords are there ?
Fiona needs to choose a five-character password with a combination of three letters and the even numbers 0 2 4 6 or 8.If she uses her initials F J and S in order as the first three characters and she does not use the same digit more than once in her password how many different possible
Question 746487: "Determine how many different computer passwords are possible if the given number of digits ( 0 -9) and the letters (A-Z) can be repeated and cannot be repeated." 5 digits followed by 2 letters Repeated: Not repeated: I tried an example for repeated - 2 - 2 - 2 - 2 - 2 -B-B but am not sure if that is corre...
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The answer is 20 different combinations/ possible passwords.
ReplyDeleteThe work:
3 letters + 5 numbers = 8 total elements
5 character password.
3 letters used already means 5 usable elements.
3 letters already used means 2 characters in the password left.
5!/(5-2)!
5!/3!
120/6
20