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Work it out with a few clues.

Only a 3 can be the last digit of number whose square has a 9 at the end.

There are 4 digits in the square, so the root is greater than 31, and less than 100.

The square of 5 = 25, so the square of 50 = 2500

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โˆ™ 2008-10-10 05:26:26
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Q: The square of a wole number is 2809 what is the number?
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