Perfect squares cannot have 2,3,
_____and____in its ones place.
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Perfect squares cannot have 2 , 3 , 7 and 8 in its ones place .
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A perfect square cannot have 2, 3, 7, or 8 in the unit's digit. If a perfect square ends with a 1, then the unit's digit of its square root has to be either 1 or 9. If a perfect square ends with a 4, then the unit's digit of its square root has to be either 2 or 8.
Perfect squares cannot have 2,3,7and8 in its ones place.
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