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When it can be expressed as a fraction
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Earn +20 ptsQ: How can you tell a number is an rational number?
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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 1.234 is a not rational number?
It is a rational number
Is 3.456 a rational or irrational number?
It is a rational number. It can be written as a fraction.
Is the product of a rational number and a rational number a rational number?
yes
Is square root of 101 rational or irrational?
It is irrational.
Is 0.05 a rational or irrational number?
It is a rational number.
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
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