SOLUTION: Please help me solve this problem. Help would be appreciated.
Problem: How many 6 character long passwords could be made that consist of only digits and lower case letters, star
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Problem: How many 6 character long passwords could be made that consist of only digits and lower case letters, star
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Question 734172: Please help me solve this problem. Help would be appreciated.
Problem: How many 6 character long passwords could be made that consist of only digits and lower case letters, starts with a 5, and no character is used more than once? Answer by checkley79(3341) (Show Source):
You can put this solution on YOUR website! THE FIRST CHOICE IS 1 (5)
THE SECOND CHOICE IS 1 OF 9+26=35 [9 DIGITS PLUS 26 LETTERS]
THE THIRD CHOICE IS 1 OF 34
THE FOURTH CHOICE IS 1 OF 33
THE FIFTH CHOICE IS 1 OF 32
THE SIXTH CHOICE IS 1 OF 31
1*35*34*33*32*31=38,955,840 COMBINATIONS.
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