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anonymous

  • one year ago

How many possibilities are there if you are creating a 4-digit password using the digits 0 through 9? You may repeat numbers. A.40 B.6,561 C.5,040 D.10,000

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  1. anonymous
    • one year ago
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    alot

  2. anonymous
    • one year ago
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    not an answer

  3. anonymous
    • one year ago
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    i know

  4. misty1212
    • one year ago
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    HI!!

  5. misty1212
    • one year ago
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    don't think too hard for this one

  6. misty1212
    • one year ago
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    how many 4 digit numbers are there?

  7. anonymous
    • one year ago
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    B && C have 4 digit numbers

  8. anonymous
    • one year ago
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    my guess could be c but I'm not sure

  9. misty1212
    • one year ago
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    lol i was asking "how many four digit numbers are there" not 'how many answers have four digits in them?"

  10. misty1212
    • one year ago
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    ok lets go slow

  11. misty1212
    • one year ago
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    you have four digits to fill ten choices for each digit first digit 0 through 9 (ten choices) second digit another ten choices etc

  12. anonymous
    • one year ago
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    i have other questions do you know the aneswer

  13. misty1212
    • one year ago
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    by the counting principle, the number of choices all together is the product in other words, total number of choices is \[10\times 10\times 10\times 10=10^4\]

  14. misty1212
    • one year ago
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    which is another way of saying there are \(10,000\) four digit numbers

  15. anonymous
    • one year ago
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    i get it not thanks

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