0

Subjects>Math>Math & Arithmetic

Is the square root of 21 rational?

Anonymous

∙ 15y ago

Updated: 9/19/2023

No, they are not.

Wiki User

∙ 10y ago

What else can I help you with?

Continue Learning about Math & Arithmetic

Is the square root of 84 a rational number?

No because it is 2 times the square root of 21 which is an irrational numberThe square root of 84 is not a rational number

Is the square root of 441 a rational number?

Yes because 21 is a rational number

Is the square root of 21 an irrational or a rational number?

irrational

Is the square root of 1500 rational?

No, the square root of 1500 is not a rational number.

Is the square root of 225 rational?

The square root of 225 is 15, which is a rational number.

Related Questions

Is the square root of 84 a rational number?

No because it is 2 times the square root of 21 which is an irrational numberThe square root of 84 is not a rational number

Is the square root of 441 a rational number?

Yes because 21 is a rational number

Is the square root of 21 an irrational or a rational number?

irrational

Is 21 over the square root of 4 a rational or irrational?

It is equal to 21/2 which is a rational number

Is the square root of 21 a rational number?

No. The square root of an integer is either an integer, or an irrational number.

The square root of 21 is it rational or irrational?

irrational, it has a never ending decimal

Is the square root of 1000 rational?

No, the square root of 1000 is not rational.

Is square root of 4 rational?

The square root of 4 is 2. 2 is a rational number so they square root of 4 is rational.

Is the square root of 1500 rational?

No, the square root of 1500 is not a rational number.

Is the square root of 48 rational?

The square root of 48 is a rational or irrational

Is the square root of 4 irrational or rational?

It is rational. The root of a perfect square, such as 4, is rational; the root of any positive integer that is not a perfect square is an irrational number.

What is the simplest radical from of the square root of 84?

First note that 84=4x21 and 4 is a perfect square. So square root of (84)=square root (4x21)=Square root (4) Square root (21)= 2 multiplied by the square root of 21. You can also write this using rational exponents, but this is not in radical form. It is an equivalent expression, however. 2 x (21)1/2

Trending Questions

How many numbers are in the hindu-arabic numeration system? What is the possible range of values for Rf? What happens after Z? How many times is death mentioned in bible? Is 40 ounces less than 1 gallon? Shape with 0 equal sides but 4 right angles? How do you use the numbers 1 3 4 6 to get an answer of 24 only adding subtracting multiplying and dividing? Is 78 inches more than 6 feet? What take up more volume a ton of feathers or a ton of lead? How to write 17150000 in word? Slope equals -4 and y-int equals 3? What fraction of a revolution does the minute hand of a clock go from twelve to nine? What is 6x plus 21y and 3(2x plus 7y) equal? How do you make 147 out of 3 prime numbers? What are you wondering about or what are you wondering which 1 is correct? What Middle name goes with Bruce? This is the difference between the estimated value and the true value.? What is fifteen percent of twenty five thousand dollars? What is the difference between a triangle and a cone? Is it true that a parallelogram has all sides congruent all the time?

Resources

Top Categories

Product

Company

Copyright ©2026 Infospace Holdings LLC, A System1 Company. All Rights Reserved. The material on this site can not be reproduced, distributed, transmitted, cached or otherwise used, except with prior written permission of Answers.