The answer depends on what the ellipsis represents. I suspect the answer is that it is irrational.
It is a rational number.
It is a rational number
If an irrational number is added to, (or multiplied by) a rational number, the result will always be an irrational number.
When a rational numbers is divided by an irrational number, the answer is irrational for every non-zero rational number.
Is 12.05 a rational number or irrational number?
The answer depends on what the ellipsis represents. I suspect that the number is not rational.
If you mean that the number continues by a number of 0s which is one more than the previous numbers of 0s followed by a 2 forever, then it is an irrational number. If you mean that the "2020020002" repeats then it is a rational number.
10.01 is a rational number
It is a rational number.
Rational
It is a rational number
No rational number is an irrational number.
Irrational.
it is a rational number but 4.121314..... is an irrational no
No number is irrational and rational.
Irrational. If you multiply a rational number by an irrational number, you will always get an irrational number (except if the rational number happens to be zero).
Such a product is always irrational - unless the rational number happens to be zero.