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A rational number is one that can be expressed as one integer (whole number) over another integer.

4.89 = 489 ÷ 100 = 489/100

In this form 489 is an integer and 100 is an integer, so 4.89 can be expressed as one integer over another integer, thus it is a rational number.

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โˆ™ 2016-09-16 04:05:09
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Algebra

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A polynomial of degree zero is a constant term

The grouping method of factoring can still be used when only some of the terms share a common factor A True B False

The sum or difference of p and q is the of the x-term in the trinomial

A number a power of a variable or a product of the two is a monomial while a polynomial is the of monomials

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Q: How is 4.89 a rational number?
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Related questions

Is 4.89 a rational number Why?

4.89 is a rational number because it can be expressed as a fraction in the form of 489/100


Can you change the decimal number 489 into a binary number?

489 = 111101001


What is number 489 in the national pokedex?

#489 is Phione.


What are pokedex number 486 and 489?

486 is regigigas and 489 is darkrai


Is 489 divisible by 5?

No, not to a whole number (489/5 = 97.8)


Is 489 prime or composite?

489 is a composite number that is divisible by 3.


Is 489 prime number?

No.


Is 1.234 is a not rational number?

It is a rational number


Is 3.456 a rational or irrational number?

It is a rational number. It can be written as a fraction.


Which number rounded off 489 000?

example: 489 127 to nearest thousand.


Is the product of a rational number and a rational number a rational number?

yes


What is 19 percent of 489?

To find 19 percent of a number, multiply the number by 0.19. In this instance, 0.19 x 489 = 92.91. Therefore, 19 percent of 489 is equal to 92.91.


Is 77 a rational number or irrational?

It is a rational number.


Is 1.96 a rational number or an irrational number?

1.96 is a rational number


Is 17.02 a rational number?

Is 12.05 a rational number or irrational number?


Is 0.05 a rational or irrational number?

It is a rational number.


Is 9.0 rational or irrational?

9.0 is a rational number


Whos number 489 and 490 in the diamond national dex?

Phione(489) and manaphy(490)


Is a whole number is a rational number?

you mean is a whole number a rational number? and yes it is and rational number. Any number that can be put in a fraction is a rational number


Is 0.74 a rational or irrational number?

It is a rational number, as it can be written as a fraction.


Is a Rational number plus rational number equals rational number?

Yes, the sum is always rational.


Is a rational number plus a rational number always a rational number?

Yes, it is.


Is 5.75 repeating a rational number or irrational?

It is a rational number.


Is -8 a rational or irrational number?

-8 is a rational number


Is the sum of a rational number and a rational number rational?

Yes.