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Rational numbers are numbers that can be written as a fraction. Irrational Numbers cannot be expressed as a fraction.
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Is 0.21 a rational or irrational number?
Well, isn't that a happy little question! 0.21 is a rational number because it can be expressed as a fraction, specifically 21/100. Just like painting a beautiful landscape, math can be a lovely and calming experience once you understand its gentle rhythms.
Is 3.625 rational or irrational?
Oh honey, 3.625 is as rational as a person who brings a calculator to a math test. It's a decimal number that can be expressed as a fraction, making it a rational number. So, go ahead and embrace that rationality, you're in good company.
What is the difference between twice and double in math?
I don't think there is a difference.
Is 75.082106 repeating rational or irrational?
The number 75.082106 with a repeating decimal is rational. A rational number can be expressed as a fraction of two integers, where the denominator is not zero. In this case, the repeating decimal can be written as a fraction, making it a rational number. Irrational numbers cannot be expressed as fractions and have non-repeating, non-terminating decimal expansions.
Can a real number be both rational and irrational?
No it cannot. Math is an exact science. As it has been said before, A number can either be written as the quotient of two integers or it cannot. You can't have it both ways.
