SOLUTION: Can someone help me with this?
Outside a home, there is a 5-key keypad with letters A,B,C,D and E that can be used to open the garage if the correct five letter code is entered.
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Outside a home, there is a 5-key keypad with letters A,B,C,D and E that can be used to open the garage if the correct five letter code is entered.
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Question 470490: Can someone help me with this?
Outside a home, there is a 5-key keypad with letters A,B,C,D and E that can be used to open the garage if the correct five letter code is entered. Each key may be used only once. How many codes are possible?
The number of possible codes is= Answer by Alan3354(69443) (Show Source):
