# Question: Is 30 A Rational Number?

## Is 25% a rational number?

Answer and Explanation: The number 25 is a rational number.

It is a whole number which can be written as the fraction 25/1..

## Is 1 3 a rational or irrational number?

By definition, a rational number is a number q that can be written as a fraction in the form q=a/b where a and b are integers and b≠0. So, 1/3 is rational because it is exactly what you get when you divide one integer by another.

## Why is the number 30 important?

Thirty was an important age for people to be in the Bible. Aaronic priests served at thirty years of age because at that age, a man reaches mental and physical maturity. Christ began preaching at 30. Greece’s Country code is 30.

## Is √ 3 an irrational number?

The square root of 3 is the positive real number that, when multiplied by itself, gives the number 3. The square root of 3 is an irrational number. … It is also known as Theodorus’ constant, named after Theodorus of Cyrene, who proved its irrationality.

## Is 0.25 a real number?

Answer and Explanation: The decimal 0.25 is a rational number. It represents the fraction, or ratio, 25/100.

## Is 15 rational or irrational?

Answer and Explanation: The number 15 is a rational number. It is an integer and all integers are rational numbers.

## Is 2 rational or irrational?

Oh no, there is always an odd exponent. So it could not have been made by squaring a rational number! This means that the value that was squared to make 2 (ie the square root of 2) cannot be a rational number. In other words, the square root of 2 is irrational.

## Is Root 30 a rational number?

Answer: For 30 to be a rational number, the quotient of two integers must equal 30.

## What kind of number is 30?

30 (thirty) is the natural number following 29 and preceding 31….30 (number)← 29 30 31 →← 30 31 32 33 34 35 36 37 38 39 → List of numbers — Integers ← 0 10 20 30 40 50 60 70 80 90 →CardinalthirtyOrdinal30th (thirtieth)Numeral systemtrigesimal9 more rows

## How do you tell if roots are rational or irrational?

If the discriminant is positive and is a perfect square (ex. 36,121,100,625 ), the roots are rational. If the discriminant is positive and is not a perfect square (ex. 84,52,700 ), the roots are irrational.

## Is 0 a rational number?

Zero Is a Rational Number As such, if the numerator is zero (0), and the denominator is any non-zero integer, the resulting quotient is itself zero.

## How do you know if a number is rational or irrational?

To show that the rational numbers are dense: An irrational number is a number that is NOT rational. It cannot be expressed as a fraction with integer values in the numerator and denominator. When an irrational number is expressed in decimal form, it goes on forever without repeating.

## Is 2.5 a rational number?

Answer and Explanation: The decimal 2.5 is a rational number. All decimals can be converted to fractions. The decimal 2.5 is equal to the fraction 25/10. By definition, a…

## Is 3 a rational number?

Explanation: A rational number is a number, which can be expressed as a fraction. Since 3 can be expressed as 3=31=62=124 and so on, it is a rational number.

## Is 31 a rational number?

Answer and Explanation: The square root of 31, denoted √(31), is an irrational number.

## Is 2/3 an irrational number?

For example 3=3/1, −17, and 2/3 are rational numbers. … Most real numbers (points on the number-line) are irrational (not rational). The rational numbers are those which have repeating decimal expansions (for example 1/11=0.09090909…, and 1=1.000000…