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		   3 items are filed under this topic. 
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    Three digit codes | 
  2019-07-14 | 
   
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  From Jessica: I need to find the total number of 3 digit codes using the digits 1 through 9. How many of these codes would be odd numbers, and how many even? Answered by Penny Nom. | 
   
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    A three digit code | 
  2019-07-14 | 
   
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  From Hannah: I have a briefcase with a three-digit code. I can set the code myself using digits 1 through 9, assuming that each digit can only be used once. How many possible codes are there? Answered by Penny Nom. | 
   
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    A three digit entry code | 
  2010-04-14 | 
   
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  From Bryon: The entry code for the executive bathroom is a three-digit odd number
 with no repeated digits.  If you want to try to break in, what is the
 maximum number of numbers you'll have to try? 
(Remember that the three-digit numbers cannot start with zero.) Answered by Stephen La Rocque and Penny Nom. | 
   
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