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That it can be expressed as a ratio (hence rational) of two integers, the denominator being positive.
In decimal representation, it is a necessary and sufficient condition that the number can be expressed as either a terminating decimal or one that becomes a recurring decimal after a finite number of digits.
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What do you mean about rational number?
A rational number is one that has an ending.
Is the square root of 100 an irrational or rational number?
It is neither but if you mean the square root of 100 then it is 10 which is a rational number
Is 2 13 a rational number why or why not?
If you mean 213 then it is a rational number because all integers or whole numbers are rational numbers.
What is the rational number for 1.5?
1.5 is a rational number as it is. If you mean expressing it as a ratio: try 3/2
What is the rational number of 0.3?
0.3 is a rational number. The fact that it is expressed as a decimal does not mean it is not rational. As a ratio, it can be written as 3/10.
