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1. Question 1.
Find the square root of each of the following correct to three places of decimal
:
(i) 5
(ii) 7
(iii) 17
(iv) 20
(v) 66
(vi) 427
(vii) 1.7
(vii’) 23.1
(ix) 2.5
(x) 237.615
(xi) 15.3215
(xii) 0.9
(xiii) 0.1
(xiv) 0.016
(xv) 0.00064
(xvi) 0.019
(xvii) (frac {7 }{ 8 })
(xviii) (frac {5 }{ 12 })
(xix) 2 (frac {1 }{ 2 })
(xx) 287 (frac {8 }{ 8 })
Solution:

10. Question 2.
Find the square root of 12.0068 correct to four decimal places.

11. Solution:
Question 3.
Find the square root of 11 correct to five decimal places.
Solution:
Question 4.
Given that √2, = 1-414, √3 = 1.732, √5 = 2.236 and √7 = 2.646. Evaluate each of
the following :
Solution:

12. Question 5.
Given that √2 = 1-414, √3 = 1-732, √5= 2.236 and √7= 2.646, find the square

13. roots of the following :
Solution: