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 (viii) 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) 
(xviii) 
(xix) 
(xx) 
(i) 5 = 2.236
= 2.236
(ii) 7 = 2.647
= 2.646
(iii) 17 = 4.123
= 4.123
(iv) 20 = 4.472
= 4.472
(v) 66 = 8.124
= 8.124
(vi) 427 = 20.664
= 20.664
(vii) 1.7 = 1.304
= 1.304
(viii) 23.1 = 4.806
= 4.806
(ix) 2.5 = 1.581
= 1.581
(x) 237.615 = 15.415
= 15.415
(xi) 15.3215 = 3.914
= 3.914
(xii) 0.9 = 0.949
= 0.949
(xiii) 0.1 = 0.316
= 0.316
(xiv) 0.016 = 0.126
(xv) 0.00064 = 0.025
(xvi) 0.019 = 0.138
= 0.138
(xvii) 
= 0.875
= 0.875
(xviii) 
= 0.416
= 0.645
(xix) 
= 2.500000
(xx) 
= 287.62
Hence, 
1