SOLUTION: How many passwords, consisting of 4 letters followed by 3 numbers, are possible if:
a. Letters and digits may be repeated?
Algebra.Com
Question 1174673: How many passwords, consisting of 4 letters followed by 3 numbers, are possible if:
a. Letters and digits may be repeated?
Answer by Solver92311(821) (Show Source): You can put this solution on YOUR website!
Assuming the letters are chosen from a 26-character alphabet, the word "numbers" in the stem of the question actually means "digits", and zero is included in the list of digits, then
a. 
John
My calculator said it, I believe it, that settles it
From
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