Question

7. Is 1069 perfect square ? How do we know
?
8. Find the least number which must be
added to 252 so as to get a perfect
square. Also find the square root of the
perfect square so obtained.
9. Find the least number which must be
subtracted from 402 so as to get a perfect
square. Also find the square root of the
perfect square so obtained.
10. By what number should 14700 be divided
to get a perfect square? Also find the
square root of the perfect square
obtained.​

Answer 1

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

7. Yes

8. 16.401..

9. 20

10. 70