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If you can write the number as a fraction, with integers in the numerator and the denominator, it is rational. In the case of decimal numbers, if the decimal representation terminates (e.g. 2.16), or is periodic (perhaps after some initial digits, like 4.130202020202...), then it is rational. For numbers defined according to some rule, it is not always known whether they are rational or irrational.
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How can you tell the difference between a rational number and an integer?
You probably don't have to inspect that pair too closely.Every integer IS a rational number.
How do you tell if a number is rational or irrational?
a rational number repeats but terminates.ex:3.333333333. a irrational number doesn't terminate or repeat itself. ex:3.334334433444.
Is a rational number always a rational number?
As much as, in these days of uncertainty, anything can be anything. As long as the constraints of a rational number are kept to, a rational number will always remain a rational number.
Is the sum of a rational number and a rational number rational?
Yes.
Can you multiply an irrational number and a rational number to get a rational number?
Yes, but only if the rational number is 0.
How can you tell a number is an rational number?
When it can be expressed as a fraction
Is 0.91 rational?
Yes. You can tell because there is a finite number of decimal places. 0.91 = 91/100 which is a rational number.
How can you tell the difference between a rational number and an integer?
You probably don't have to inspect that pair too closely.Every integer IS a rational number.
How do you tell if a number is rational or irrational?
a rational number repeats but terminates.ex:3.333333333. a irrational number doesn't terminate or repeat itself. ex:3.334334433444.
How can you tell whether a square root of a whole number is rational or irrational?
If the whole number is a perfect square, its square root is rational. If not, it's not.
Is the number 0.040040004.. rational or irrational number?
It is not possible to tell. There is no recurring pattern that can be discerned.
Is 3.456 a rational or irrational number?
It is a rational number. It can be written as a fraction.
Is square root of 101 rational or irrational?
It is irrational.
Is the product of a rational number and a rational number a rational number?
yes
Is 17.02 a rational number?
Is 12.05 a rational number or irrational number?
Is 1.96 a rational number or an irrational number?
1.96 is a rational number
How can you tell the value of a radical is a rational number?
If the number inside the radical is a perfect square or a ratio of perfect squares.
