\[\left( 2^{5} \right)^{- 3} \cdot 2^{2}\ :2^{- 10} = 2^{- 15} \cdot 2^{2}\ :2^{- 10} =\]
\[= 2^{- 15 + 2 + 10} = 2^{- 3} = \frac{1}{2^{3}} = \frac{1}{8}.\]