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what is the tens digit of the smallest positive number that uses each of the odd digits exactly once?

 Jan 24, 2023
 #1
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The answer is 7, because the number is 13579. 

 

The larger digits should have a lower place value to minimize the value of it

 Jan 24, 2023
edited by Guest  Jan 24, 2023
edited by Elephant200  Jan 24, 2023
edited by Elephant200  Jan 24, 2023

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