\[\left( \frac{2}{3} \right)^{6} \cdot \left( 1\frac{1}{2} \right)^{8} = \left( \frac{2}{3} \right)^{6} \cdot \left( \frac{3}{2} \right)^{8} = \frac{2^{6} \cdot 3^{8}}{3^{6} \cdot 2^{8}} =\]
\[= \frac{3²}{2²} = \frac{9}{4} = 2,25\]