м) 4\frac{2}{7} \cdot 2;

м) 4\(\frac{2}{7}\) \(\cdot\) 2 = \(\frac{4 \cdot 7 + 2}{7}\) \(\cdot\) 2 = \(\frac{28 + 2}{7}\) \(\cdot\) 2 = \(\frac{30}{7}\) \(\cdot\) 2 = \(\frac{30 \cdot 2}{7}\) = \(\frac{60}{7}\) = 8\(\frac{4}{7}\)

Ответ: 8\(\frac{4}{7}\)