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Tina has to create a password for the security of a software program file.she wants to use a password with three letters. how many passwords are allowed if no letters are repeated and the password is not
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1 vote
Tina has to create a password for the security of a software program file.she wants to use a password with three letters. how many passwords are allowed if no letters are repeated and the password is not case sensitive

a.13800
b.15600
c17576
d.46800

User DanLebrero
by
7.6k points

2 Answers

2 votes
i think it's B.15600 but I'm not really sure
User Apomene
by
8.0k points
3 votes
26 choices for first slot
1 less since can't chose again
25 for 2nd
24 for 3rd

26*25*24=15600

B is answer
User Herokiller
by
8.6k points
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