It isn't always possible to determine. For example, it is unknown whether the Euler-Mascheroni constant (0.5772156649...) is rational or irrational.
Most famous numbers and constants are known to be rational or irrational. If it can be expressed as a fraction a/b where a and b are integers, it's rational.
If it can't be expressed as a fraction then it is an irrational number
All whole numbers are rational. Any rational number divided by another (non-zero) rational number is a rational number.
Irrational.
The product of a rational and irrational number can be rational if the rational is 0. Otherwise it is always irrational.
No.A rational times an irrational is never rational. It is always irrational.
If it can be expressed as a fraction then it is rational if not then it is irrational
10.01 is a rational number
If it can't be expressed as a fraction then it is an irrational number
Rational
All whole numbers are rational. Any rational number divided by another (non-zero) rational number is a rational number.
It is a rational number.
is 34.54 and irrational or rational. number
it is a rational number but 4.121314..... is an irrational no
Irrational.
Such a product is always irrational - unless the rational number happens to be zero.
The product of a rational and irrational number can be rational if the rational is 0. Otherwise it is always irrational.
No number is irrational and rational.