How many possibilities are there if you are creating a 4-digit password using the digits 0 through 9? You may repeat numbers.

1 answer:

7 0

<span>Each number had 10 possibilities. So to calculate the number of possibilities for two numbers multiply 10 by 10. This means that for all 4 digits the number of possible permutations is 10x10x10x10 or 10 to the power 4. This equals to 10,000 therefore D.

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