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Rational numbers.

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โˆ™ 2010-04-01 02:53:34
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Q: A number that can be expressed as a ratio of 2 integers?
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Related questions

What is the definition of a rational number?

Any number that can be expressed as the ratio of two integers; 1/2, 2/3, 3/4. etc.A rational number is any number that can be expressed as a fraction


Why is one half a rational number?

It can be expressed as the ratio of two integers, 3/2.


What are rational or irrational mean?

A rational number is one which can be expressed as a ratio of 2 integers. An irrational number is one that cannot be expressed in such a way.


Why is two ninths a rational number?

Yes, it is. Because it can be expressed as a ratio of two integers: 2/9.


Is negative two an irrational number?

Rational numbers are those that can be expressed as a ratio of two integers. So 2, which can be expressed in such a way, for example, (-2) / 1 or 2 / (-1) is a rational number.


Differences about rational numbers and irrational numbers?

Rational numbers can be expressed as a ratio of 2 integers, irrational number cannot be so expressed.


Is 0.5 a integers or rational number?

0.5 is a rational number. This is because it can be expressed as a ratio. (1/2) It also terminates, or ends. Rational numbers can be expressed as a ratio/fraction and terminates, or ends. It is not an integer because integers include -5, -4, -3, -2, -1, 0, 1, 2, 3, 4, 5, and so on. 0.5 is a rational number.


What is the definitions of irrational number?

real number that is not rational: any real number that cannot be expressed as the exact ratio of two integers, e.x. √2 and π


Is the square root of 99 a rational number?

โˆš99 = Square root of 99 = Irrational. Rational # are able to be expressed as the ratio of 2 integers. i.e. โˆš25 = +5 5 = 5/1 = rational Irrational # can not be expressed as a ratio of 2 integers.


Is 0.25 a rational number?

Yes, because it can be expressed as a ratio of 2 integers (a fraction). 0.25 = 1/4


Can an irrational number sometimes be expressed as a quotient of integers?

The definition of an irrational number is that it cannot be expressed as the quotient of 2 integers, so no.


Is the golden ratio a rational number?

The golden ratio is not a rational number. It cannot be expressed exactly as the quotient of two integers. It can be expressed as the quotient: (1+SQRT5)/2 where SQRT5 menas the square root of 5 (that is not a rational number either and so no quitient involving it is a rational number)


What is an example of a rational number?

Any number that can be written as the ratio of two non-zero integers, like 2/3 or -5 or one million.


Can a whole number be rational numbers?

Yes, rational numbers are numbers that can be expressed as the ratio of two integers. Whole numbers is a slightly ambiguous term but usually means either positive integers, or all integers (-3, -2, -1, 0, 1, 2, 3, ...) A whole number can be rational because 4 is a whole number and it can also be expressed as the ratio of two integers, in this case 4 and 1 example: 4 = 4/1 = 8/2 = 4


What is irrational or rational?

In math, a rational number is one that can be expressed as the RATIO (or fraction) between two integers. This includes the integers themselves, and fractions such as 2/3, 7/5, -3/2, etc.An irrational number is one that can't be expressed exactly as a fraction. For example, the square root of 2 (indeed, the square root of any positive integer is either a whole number or an irrational number), pi, e, and combinations such as square root of 2 + 1, pi/4, etc. Outside of math, "rational" means something that makes sense; "irrational" is something that doesn't.


Square of a rational number is rational?

Sure. Let's take an example with numbers instead of variables. 8/9 is a rational number - the ratio of two integers. If you square it, you get (8/9)2 = 82/92 = 64/81; that is, if you square each integer, you get an integer again. Therefore, the resulting number is rational again - a number that can be expressed as the ratio of two integers. Replace with any other integers; you will still have a ratio of integers if you square it.


Is 2 fifths rational?

Yes the fraction 2/5 is rational, as it can be expressed as the ratio of 2 integers (in this case 2 and 5 are both integers)


Is The number 37 is a rational number?

Yes, it's the answer to an equation such as x = 74/2 Any real number that can be expressed as a ratio between two integers is not irrational.


is 2 rational?

Yes the fraction 2/5 is rational, as it can be expressed as the ratio of 2 integers (in this case 2 and 5 are both integers)


What are rational numbers that have two integers?

Any 2 digit integers are rational numbers because all integers or whole numbers are rational numbers.


How to findout and write a rational number between 2 and 3?

A rational number is any number which can be expressed as the ratio of two integers (including the integers themselves in this definition). So any number which is more than 2 and less than 3, and which can also be expressed finitely, is a rational number. 2¼, 2½, 2¾ 2 plus any fraction (less than one) will fit your bill.


Is 8 a rational or an irrational number?

The number 8 is a rational number because it can be expressed as the exact ratio of two integers, like 8/1, 16/2, 24/3, etc... .


What is a rational number but not a negative number?

The term rational number is derived from ratio; it means any number which can be expressed as the ratio of two integers, such as 1/2, 546/17, etc. Any such number that is greater than zero qualifies as a positive number, which is therefore not negative.


What is a number that cannot be expressed as a quotient of 2 integers?

5


What is a number that cannot be expressed as a ratio of two integers or as a repeating of terminating decimal?

That is called an irrational number. Some of the most common irrational numbers are pi (3.14159....) and the square root of 2.