SOLUTION: Carl is choosing a four-character password for his cell phone. The password can contain letters and digits only, and can't include repeating characters. How many passwords are poss

Question 1021307: Carl is choosing a four-character password for his cell phone. The password can contain letters and digits only, and can't include repeating characters. How many passwords are possible?
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
There are 26 letters and 10 digits for a total of 36 characters.

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