what should be added to 2800 to get a perfect square
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Answer:
9should be added to get a perfect square 2809=53*53
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Answer:
2800 = 2 x 2 x 2 x 2 x 5 x 5 x 7
Here, prime factor 7 has no pair. Therefore 2800 must be divided by 7 to make it a perfect square.
\therefore2800\div7=400∴2800÷7=400
And \sqrt{400}=2\times2\times5=20
400
=2×2×5=20
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