Answer :
✔️4/9 = 2/3 = 0.6666...
✔️2= 1.414....
Rational no between 0.666.. And 1.414...
0.8
There are infinite rational no between them I've written 0.8 randomly
√(4/9) = 2/3
and we have √2 is not a rational no.
So we cannot have any rational numbers between these two.
and we have √2 is not a rational no.
So we cannot have any rational numbers between these two.