Meg1023 Meg1023
  • 12-05-2018
  • Mathematics
contestada

How many 4-digit passcodes are possible if no digits are repeated? Consider digits 0-9.

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TheBusinessMan
TheBusinessMan TheBusinessMan
  • 12-05-2018
So you would set this problem up as 10 x 9 x 8 x 7, since none of the digits can be repeated. There are 5,040 4 digit passcodes possible.
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