Between what two integers does the square root of 411 lie

Question

√411 two integers between that 

Answer 1

We know that 20²=400

We also know that 21²=441

 

Since 411 is between those two numbers, the √(411) is between 20 and 21.

 

I hope this helped!

Answer 2

20² = 400

21² = 441

 

So the √411 lies between 20 and 21

20 < √411 < 21

 

Note: By calculator √411 ≅ 20.273135 rounded to 6 decimal places