Question

explain why 7.395 is not a perfect square​

Answer 1

$\huge\boxed{\fcolorbox{green}{yellow}{Answer}}$

Therefore 89722 is not a perfect square because its unit's place digit is 2. (vii) Since, perfect square numbers contain their unit's place digit 0, 1, 4, 5, 6, 9 and even number of 0. Therefore 222000 is not a perfect square because its unit's place digit is triple 0.