[tex] \sqrt{2.1} [/tex] = 1.45
[tex] \sqrt{2.4} [/tex] = 1.55
[tex] \sqrt{2.5} [/tex] = 1.58
[tex] \sqrt{2.9} [/tex] = 1.7
The number farthest from 2 on the number line would be [tex] \sqrt{2.1} [/tex], because 1.45 is farther away than 1.55, 1.58, and 1.7 from 2.
