No
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.
5 squared is 5*5 is 25. 25 is not an irrational number.
No, it is rational.
Not irrational, 12 squared equals 144.
12 squared is not irrational. It's 144 .
20 squared is not an irrational number. 202 = 400.
No.
No
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.
5 squared is 5*5 is 25. 25 is not an irrational number.
No, it is rational.
No, it is rational.
Any number that can't be expressed as a fraction is an irrational number.
Not irrational, 12 squared equals 144.
102 or 100
1022 = 10404