Q: Which smallest number can be subtracted from 15198 to get a perfect square?

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31.

sqrt(2493) = 49.93 So the largest perfect square smaller than 2493 is 492 = 2401 Therefore, the smallest number to be subtracted is 2493 - 2401 = 92

7 because 132 = 169

It is 69 because 123 squared = 15129

The answer is 4, as 629 minus 4 equals 625. 625 is 25 squared.

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31.

1,085 - 61 = 1,024 = (32)2

sqrt(2493) = 49.93 So the largest perfect square smaller than 2493 is 492 = 2401 Therefore, the smallest number to be subtracted is 2493 - 2401 = 92

7 because 132 = 169

Find the square root of the number.Take the integer part of the answer.Square the integer part.Subtract this square from the original number.

It is 69 because 123 squared = 15129

The answer is 4, as 629 minus 4 equals 625. 625 is 25 squared.

The smallest perfect square is 121.

The smallest square number qreater than 1 is 2. * * * * * 2 is not a perfect square number.

257

No. The smallest 2 digit number is 10 the smallest 3 digit number is 100 - so the question is whether (100-10) is a perfect square? No - 90 is not a perfect square. 8x8 is 64 and 9x9 is 91, not 90.

The answer is 230.