3.409
= 3.408 + 0.001
= 3.410 - 0.001
4.17
5.475
4450
6.25
0.364
The fraction that lies halfway between 2/7 and 5/7 is 1/2 or one half.
the number that lies halfway between 1004 & 2012 is 1508
1.67
7.5
3.58
30025
0.5
27.
9250
5.475
4450
6.25
0.364