Question

Find the least number that must be subtracted from 2000 to make it a perfect square. Also find the square root of the perfect square so obtained

Answer 1

Answer:

Step-by-step explanation:

43square is 1849

The least number is 51

43 is the root of the perfect square

Answer 2

Answer:

the closest square is 1600 and √1600=40

Step-by-step explanation:

for convenience ignore the two zeros at the end and assume that the number is 20 then the closest square to 20 which is smaller than 20 is 16.Add the two zeros and you get 1600.

NOTE:-We have taken two zeros as the number of zeros in a square is always even and there are 3 zeros so we took 2