Question

√21, what should be the ans​

Answer 1

3*7 is the answer. is that correct tell me

Answer 2

Question

√21, what should be the ans

Answer

4.58257569496

square root

Examples.

• Finding square roots of of numbers that aren't perfect squares without a calculator.
• Example: Calculate the square root of 10 ( ) to 2 decimal places.
• Find the two perfect square numbers it lies between.
• Divide 10 by 3. ...
• Average 3.33 and 3. ( ...
• Repeat step 2: 10/3.1667 = 3.1579

thanks