The numbers are

First find the value
.
(Divide:
)
Next find the value
.
The radical
indicates positive square roots of
.
(Calculate the value using calculator)
Next find the value
.
The radical
indicates positive square roots of
.
(Calculate the value using calculator)
Next find the value of 3
\= 3
\Next find the value 2.9.
\= 2.9
\
Compare the numbers:
.
Substitute values:
\
So,
From least to greatest numbers order is 