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How many odd five-digit counting numbers can be formed by choosing digits from the set {1,2,3,4,5,6,7} if digits can be repeated?

 Jan 11, 2021
 #1
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There is a link to the same problem 

https://web2.0calc.com/questions/help_87069

Hope this link helps

 

 

 

 

 

 

- hihihi

 

 

 

coolcoolcool

 Jan 11, 2021
 #2
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7 * 7 * 7 * 7 * 4 = ....... possibles

 Jan 11, 2021

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