Вычислите: \(\frac{5}{16}\cdot1.25\cdot0.36:1\frac{4}{5}\).

\(1.25=\frac54\), \(0.36=\frac9{25}\), \(1\frac45=\frac95\).

\(\frac5{16}\cdot\frac54\cdot\frac9{25}:\frac95=\frac5{16}\cdot\frac54\cdot\frac9{25}\cdot\frac59=\frac5{64}\).

Ответ: \(\frac5{64}\).