Question

1. Evaluate: √ 7056 , √19600.
2.Find the least number which must be added to 8400 to obtain a perfect square. Find this perfect square and its square root.
3. Find the least number of four digits which is a perfect square . Also find the square root of the number so obtained.
4.Evaluate: √156.25, √0.2916
5.Evaluate √2.8 correct up to two places of decimal.

Answer 1

Step-by-step explanation:

. Evaluate: √ 7056 , √19600.

2.Find the least number which must be added to 8400 to obtain a perfect square. Find this perfect square and its square root.

3. Find the least number of four digits which is a perfect square . Also find the square root of the number so obtained.

4.Evaluate: √156.25, √0.2916

5.Evaluate √2.8 correct up to two places of decimal