Question

17. Find the least number of four digits which is a perfect square. Also find the square root of
the number so obtained.​

Answer 1

Step-by-step explanation:

Least number of four digits = 1000.

(32)2 is more than 1000 by 24.

So, the least number to be added to 1000 is 24.

1000 + 24 = 1024

Therefore, the smallest four digit number which is a perfect square is 1024.

And Square root of 1024 = 32

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Answer 2

Answer:

least number is 1024.

The answer is the green numbers on top. Once again, the square root of 1024 is 32.

Step-by-step explanation:

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