-90 squared is rational - it is +8100. All perfect squares are not only rational but they are integers.
4.6 is rational.
10.01 is a rational number
Rational
is 34.54 and irrational or rational. number
Rational
Rational.
No
If x is rational the it is rational. If x is irrational then it is irrational.
The number -3 is a rational number. A rational number is any number that can be expressed as a fraction where the numerator and denominator are integers and the denominator is not zero. In this case, -3 can be expressed as the fraction -3/1. Since -3 can be expressed as a ratio of two integers, it is considered a rational number.
rational
No. A rational plus an irrational is always an irrational.