Round off till nearest perfect square
64.0
63.6
65.1
68.4
70.1
114.4
49.8
50.3
57.3
59.9
61.56
107.8
25.3
26.3
26.1
27.3
28.7
77.4
17.5
18.7
20.6
21.4
22.9
69.1
Is this what you are being asked to do?
64 = 64
63.6 = 64
50.3 = 49
18.7 = 16
You do the rest.