| 
		  
		  
		  
		   One item is filed under this topic. 
   | 
   | 
   | 
   | 
   | 
  
    | 
    | 
    | 
   
   | 
    A nine digit number | 
  2006-03-06 | 
   
    | 
  From Ryan: What is the total number of possible combinations of a nine digit number (ie., social security number) including repeating numbers? Answered by Stephen La Rocque and Penny Nom. | 
   
    | 
   
    | 
   
 
		  
		  
 |