The numbers are
.
First find the value
.
The radical
indicates positive square roots of 4.
(Factor:
)
(Recall
)
Next find the value
.
= 3.3166 (Calculate the value using a calculator)
\Next find the value
.
= 3.55 (Calculate the value using a calculator)
Compare the numbers:
.
So, least to greatest numbers order is 
From least to greatest numbers order is
.