The expression is .
The order of the numbers according to their exponents.
\The number has an exponent of negative 2. So, it is the first two numbers.
Order the numbers with same exponent by comparing the factors.
\The last two numbers is .
The
number has an exponent of 2. So, it is the last two number.
Order the numbers with same exponent by comparing the factors.
\The first two numbers is .
Therefore the ordered from least to greatest is
The ordered from least to greatest is .