\[2,4 \cdot \left( - 1\frac{1}{3} \right) = - \frac{24}{10} \cdot \frac{4}{3} = - \frac{12}{5} \cdot \frac{4}{3} =\]
\[= - \frac{12 \cdot 4}{5 \cdot 3} = - \frac{16}{5} = - \frac{32}{10} = - 3,2.\]