Show that 500 is not a perfect square.
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A number that is a perfect square never ends in 2, 3, 7 or 8. If your number ends in any of those numbers, you can stop here because your number is not a perfect square. ... It is this number: 500. The answer is 0.
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A number that is a perfect square never ends in 2, 3, 7 or 8. If your number ends in any of those numbers, you can stop here because your number is not a perfect square. ... It is this number: 500. The answer is 0.
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