Question 620089:  what is the set of counting number less than 10? 
 Answer by stanbon(75887)      (Show Source): 
You can  put this solution on YOUR website! what is the set of counting number less than 10? 
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Answer: 1,2,3,4,5,6,7,8,9 
0 is sometimes included, but not always. 
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Cheers, 
Stan H. 
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