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No. It is a terminating decimal and therefore can be expressed as a ratio ie it is rational. 3.8 = 38/10 (which can be simplified)

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Q: Is 3.8 an irrational number
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Related questions

Is 38 percent an irrational number?

No, it is rational.


Is 3.8 irrational?

An irrational number is one that can NOT be expressed as a fraction, with integer numerator and denominator. 3.8 CAN be expressed as such, namely, 38/10, so it is RATIONAL.


Is the square root of 38 an irrational number?

Yes because it can't be expressed as a fraction


Is 12.666666666 a irrational number?

No; it is a rational number. An irrational number has a non-terminating, non-repeating decimal. 12.666666666 either terminates (= 12666666666/1000000000) or if you mean the 6 recurs (ie goes on forever: 12.666... = 38/3).


What is the sum of an rational number and irrational number?

An irrational number.


Is the decimal 38.4 an irrational number?

No, the number 38.4 is a rational number. It can be expressed as a fraction, which is a characteristic of rational numbers. 38 4/10, or 384/10.


Is an irrational number plus an irrational number rational?

No. The sum of an irrational number and any other [real] number is irrational.


The sum of a rational number and an irrational number is?

The sum of a rational and irrational number must be an irrational number.


Is the square root of 38 irrational?

Yes.


Is 3.56 an irrational number?

No, 3.56 is not an irrational number. 3.56 is rational.


Whether a rational number multiplied by an irrational number gives an irrational number?

rational * irrational = irrational.


Is negative pi rational or irrational?

-Pi is irrational, because it does not terminate or repeat. Whenever you multiply an irrational number by a rational number (-1), the result is an irrational number.