$12 \frac{\sqrt{2}}{1} = \frac{\sqrt{2}}{2} \times \dots$ $\frac{1}{\sqrt[3]{x^2}} = \dots$

$\left[ \left( \frac{3}{4} \right)^{-2} \right]^3 = \dots$

$125 \times 5^{-7} = \dots$

$\frac{(\frac{4}{9})^4 \times (\frac{2}{9})^{-4}}{2^{-3}} = \dots$