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It can be but it need not be.

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7y ago

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How do you estimate an irrational number Why might you need to be able to estimate an irrational number?

If you want to use a rational number for a mathematical operation, it will be necessary to estimate it for a numerical outcome. Irrational numbers can't be written out exactly.


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?

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The same way that you would for a rational number that is not a perfect square.


Is a Rational number plus rational number equals rational number?

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There is no such thing as a number that is both rational and irrational. By definition, every number is either rational or irrational.


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.


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