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Because it can be expressed as a fraction in the form of 2/5 in its simplest form

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11y ago

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Is 7 12 a rational number?

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Is a decimal a considered a real number and a rational number?

Decimals are real. They can be rational or irrational.


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Yes - the word rational in this case means "can be written as a ratio".


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Is a nun perfect square rational?

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Is 1.56 irrational?

No, 1.56 is not an irrational number; it is a rational number. Rational numbers can be expressed as the quotient of two integers, and 1.56 can be represented as 156/100. Since it can be expressed in this form, it is considered rational.


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