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Question
The digit at the ones place of 572 is ______.
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Solution
The digit at the ones place of 572 is 9.
Explanation:
We know that, the unit’s digit of the square of a number having digit at unit’s place as 3 or 7 is 9.
The digit at one’s place of 572 = 9 ...[∵ 7 × 7 = 49]
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