GAUSS8 2003 Problem 8

Past Contests GAUSS8 GAUSS (GR. 8) - 2003
, ,
1

When the numbers \sqrt5,2.1,\frac73,2.0\bar5,2\frac15 are arranged in order from smallest to largest, the middle number is

Answer Choices
A. \sqrt5
B. 2.1
C. \frac73
D. 2.0\bar5
E. 2\frac15