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| rhysboi1991 |
 Posted: Fri Apr 11, 2008 5:18 pm Post subject: code possiblities question |
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Forum Freshman
Joined: 26 Jan 2008
Posts: 50
Location: Cumbria, North West England
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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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| Harold14370 |
| Posted: Fri Apr 11, 2008 5:33 pm Post subject: |
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Forum Professor
Joined: 13 Apr 2007
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Location: Pennsylvania
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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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| rhysboi1991 |
| Posted: Fri Apr 11, 2008 5:42 pm Post subject: |
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| rhysboi1991 |
| Posted: Fri Apr 11, 2008 5:44 pm Post subject: |
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