0
Still curious? Ask our experts.
Chat with our AI personalities
BeauYou're doing better than you think!
Chat with Beau
FranI've made my fair share of mistakes, and if I can help you avoid a few, I'd sure like to try.
Chat with Fran
MaxineI respect you enough to keep it real.
Chat with MaxineAdd your answer:
Earn +20 ptsQ: Is the square root of 21 a real number?
Write your answer...
Submit
Still have questions?
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
What are the square root of 21?
The square roots of 21 are 4.5826 (rounded) and the negative of the same 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 5 and squa re root of 21 irrational?
Yes. The square root of a natural number (positive integer) is either an integer, or an irrational number.
Trending Questions
How old is savlon?
What is four and a half divided by three?
How much work is done when 1000 kg is lifted 75 meters?
What number is close to 1?
Is 0.3 the same amount as 0.30?
How many solutions are there when two lines with the same slope and same y-intercept?
There should be a flat hard surface in the area where vaccines will be administered to ensure?
How many months in 26 years?
What is 21 percent of 20.00?
What is todays lucky no if you choose from 1 to 100?
What is the base unit for measuring length?
How might the structures symmetry have made it less expensive to build?
Can you be reported as a runaway with in Twenty-four hours in Arizona?
If the sum of 6 times Jack's age and 5 times Larry's age is 63 Jack is 1 year less than 3 times as old as Larry?
What is inverse operation of subtraction?
How many six digits are there in base 2?
If cheese is 4.40 per kilogramme what should I pay for 200 Grammies?
How many weeks in 294 days?
What are math quadrants?
How can variables be correlational but not causal?
Copyright ©2025 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.