 # Is The Square Root Of 81 A Rational Number?

## Is 64 a perfect square?

The perfect squares are the squares of the whole numbers: 1, 4, 9, 16, 25, 36, 49, 64, 81, 100 ….

## What is the real square root of 81?

Explanation: 81=9⋅9 then the square root of √81=9 .

## Is 3.456 a rational number?

a number that can be written as a fraction Any number that is not an irrational number Examples: 2.34, 3.456, 6.323 232 32… Examples: 400, +8, 0, 29, 49578 • Whole numbers ﴾W﴿: all of the positive integers and zero Examples: 0, 1, 2, 3, 4, etc.

## What is the root square of 324?

18Answer and Explanation: The square root of 324 is 18.

## Is 2.718 a rational number?

The sequence is bounded below by the sum of the first two terms, which will be a positive number. Therefore, the right-hand side is strictly between 0 and 1, so it is a fractional number. This is a contradiction! Therefore, e cannot be a rational number and it is an irrational number.

## What are the factors of 82?

82 is a composite number. 82 = 1 x 82 or 2 x 41. Factors of 82: 1, 2, 41, 82. Prime factorization: 82 = 2 x 41.

## Is the square root of 89 a rational number?

The square root of 89 is a rational number if 89 is a perfect square. It is an irrational number if it is not a perfect square. Since 89 is not a perfect square, it is an irrational number.

## Is 82 rational or irrational?

The number 82 is a rational number if 82 can be expressed as a ratio, as in RATIOnal. A quotient is the result you get when you divide one number by another number. For 82 to be a rational number, the quotient of two integers must equal 82.

## What is the square of 82?

However, note that 82=81+1=92+1 . Since this is of the form n2+1 , the square root has a very regular form as a continued fraction: √82=[9;¯¯¯¯18]=9+118+118+118+118+…

## What is the square root of 72 simplified?

This result is equivalent to the square root we are trying to simplify! In this example, √72=2⋅3√2.

## 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.

## Is the square root of 82 a rational number?

The square root of 82 is a rational number if 82 is a perfect square. It is an irrational number if it is not a perfect square. Since 82 is not a perfect square, it is an irrational number.

## What is the square of 84?

The two square roots of 84 are denoted √84 and −√84 . Since 84 is 319 ‘s of the way between 81 and 100 , we can approximate √84 as 319≈16 th of the way between 9 and 10 , about 916=556 .

## Is 3.142 a irrational number?

The number pi, denoted π, is a well-known irrational number that is generally known to have value 3.14. However, 3.14 is actually the number π rounded to two decimal places, and is not the true value of π.