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All real numbers have a decimal representation. Rational numbers have decimal representations that terminate or repeat infinitely. Irrational Numbers have decimal representations that are non-terminating and non-repeating.

Q: Is every rational number a decimal number?

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That is the definition of a rational number.

Every rational number can be expressed as a fraction

Any rational number is either a repeating decimal, or a terminating decimal.

No, a rational number, expressed as decimal, is either a terminating decimal, such as 1/4 = 0.25, or a repeating decimal, such as 1/7 = 0.142857 142857 142857 ...

no cuz i said no

Related questions

That is the definition of a rational number.

No. A rational number is any terminating numeral. A repeating decimal is irrational.

Yes- every terminating or repeating decimal number is rational.

Every rational number can be expressed as a fraction

Any rational number is either a repeating decimal, or a terminating decimal.

Yes- every terminating or repeating decimal number is rational.

Every two-decimal place number is rational.

No, a rational number, expressed as decimal, is either a terminating decimal, such as 1/4 = 0.25, or a repeating decimal, such as 1/7 = 0.142857 142857 142857 ...

no cuz i said no

No because it could be a fraction or a decimal

It depends. A terminating decimal is a rational number. A decimal which, after a finite number of places, becomes a repeating (or recurrent) decimal is also a rational number. A decimal that is not terminating, nor [eventually] settles into a recurring pattern is not a rational number. Note that the decimal need not become recurring immediately.

Yes. Any terminating decimal is a rational number. Any repeating decimal also.