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Thread: code possiblities question

  1. #1 code possiblities question 
    Forum Freshman
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    Jan 2008
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    hypothetically speaking...if i had a lock.. that needed a code that was 10 digits long and the choice of digits were : 1,2,3,4,5,6,7,8,9,0
    how many possiblities would the code have?

    and could you please tell me how you worked this out? thank you very much..


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  3. #2  
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    It would be 10 to the 10th power. The number of 1 digit numbers, 0 through 9, is 10. The number of 2-digit numbers, 00 through 99, is 100 (10 squared). The number of 3 digit numbers, 000 through 999, is 1000 (10 cubed) and so on until you get to 10 to the 10th power.


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  4. #3  
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    Thank you
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  5. #4  
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    Thank you
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