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Find the least number that must be added to 525 to make it a perfect
square. State that least number.

Class 8Finding Square RootsSquares and Roots

A4
B11
C16
D21

Step-by-Step Solution

2 2^{2} = 484

and

2 3^{2} = 529

. The next perfect square above 525 is 529, so add 529 - 525 = 4.

Answer: A) 4

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