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The units digit of a perfect square is 6. What are the possible values of the tens digit?

 May 16, 2020
 #1
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The possibe values of the tens digit are 0, 1, 2, 5, 7, and 9.

 May 16, 2020
 #2
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I don't see a "zero" or a "2" in tens digit but:1, 3, 5, 7, 9

Guest May 16, 2020

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