Yes.
Sometimes. eg the irrational number √2 squared is 2 which is rational (2 = 2/1) eg the irrational number √(√2) squared is √2 which is irrational.
Yes, 225 squared is a rational number.
20 squared is 400 which is a rational number
Rational.
It is a rational number as 9
Sometimes. eg the irrational number √2 squared is 2 which is rational (2 = 2/1) eg the irrational number √(√2) squared is √2 which is irrational.
The square of any rational number is also rational.
28 squared is 784 which is a rational number
Yep, any rational number squared is also rational.
Yes, 225 squared is a rational number.
Rational; 62 = 36. Any rational number that is squared is still rational.
20 squared is 400 which is a rational number
Rational.
Rational.
The square root of 5 squared is 5, which is a rational number.
It is a rational number as 9
7 squared = 49 which is a rational number because it can be expressed as a fraction in the form of 49/1