SOLUTION: you create a four digit code for your ATM card using the digits 0 to 9. how many different codes can be made? if you are allowed to use a digit once, how many different codes can b

Algebra ->  Permutations -> SOLUTION: you create a four digit code for your ATM card using the digits 0 to 9. how many different codes can be made? if you are allowed to use a digit once, how many different codes can b      Log On


   



Question 820407: you create a four digit code for your ATM card using the digits 0 to 9. how many different codes can be made? if you are allowed to use a digit once, how many different codes can be made?
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
you create a four digit code for your ATM card using the digits 0 to 9.
How many different codes can be make?:: 10^4 = 10000
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if you are allowed to use a digit once:: 10*9*8*7 = 10P4 = 5040
how many different codes can be made?
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Cheers,
Stan H.
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