10. \(\frac{5}{8}\cdot1\frac{13}{15}\cdot2\frac{2}{7}=\)

\(1\frac{13}{15}=\frac{28}{15}\), \(2\frac{2}{7}=\frac{16}{7}\).

\(\frac{5}{8}\cdot\frac{28}{15}\cdot\frac{16}{7}=\frac{1}{3}\cdot4\cdot2=\frac{8}{3}=2\frac{2}{3}\).

Ответ: \(2\frac{2}{3}\).