√(16/25) · √(225/64)

\(\sqrt{\frac{16}{25}}=\frac{4}{5}\), \(\sqrt{\frac{225}{64}}=\frac{15}{8}\).

\(\frac{4}{5}\cdot\frac{15}{8}=\frac{60}{40}=\frac{3}{2}\).

Ответ: 3/2.