Question

while representing (9.3)root on number line why do we extend 1 unit

Answer 1

lets consider square of 1 we get 1 and square of 2 we get 4 andsquare of 3 we get 9 but in case of square of 4 we get 16 as root (9.3) is between 9 and 16 we represent it between 9 and 16 and thats the reason it extends 1