Question

which least no must be added to 306452 to make it a perfect square

Answer 1

the square root of 306452 is 553.48... 
So we need to add 554^2 - 306452 = 464 to it because then 

306452 + 464 = 554^2

Answer 2

Hi Friend,

Here is your answer,

The square root of 306452 is 553.48

we will add 554^2 - 306452 = 464 

306452 + 464 = 554^2 it is a correct answer.


Hope it helps you!