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Find the greatest four digit number which is a perfect square |
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Answer» Answer: Answer. 9999 is largest 4 digit number, and 100^2 is 10000, or 1 GREATER than the largest 4 digit number. This means that the closest square root of the largest perfect square is most LIKELY 99. So 99^2 (9801)is the largest perfect square of four digits. |
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