help um. Order the set of numbers from least to greatest

5/2 , √5 , 2¾ , 2.71 (bar)
am not really sure but i guess that is what I know.
Answer:
[tex]2\frac{3}{4}, 2.71, \sqrt{5}, \frac{5}{2}[/tex]
Step-by-step explanation:
Just convert them all to a decimal, I'm too lazy to write it all out...