\[0,45m^{3}n^{2}p^{4} \cdot 1\frac{1}{9}m^{8}n^{11}p^{6} =\]
\[= \frac{9}{20} \cdot \frac{10}{9}m^{11}n^{13}p^{10} =\]
\[= 0,5m^{11}n^{13}p^{10}\]