tajrish
tajrish tajrish
  • 03-05-2020
  • Mathematics
contestada

An automated teller machine (ATM) requires a four-digit pin number, where each digit is 0 - 9.
How many possible pin numbers are there if repetition of digits is permitted?

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canboraarslan
canboraarslan canboraarslan
  • 03-05-2020
The answer is 156 there is 156 combinations
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