(1/4)√(16/25) + 7√0,09

\(\sqrt{\frac{16}{25}}=\frac{4}{5}\), \(\sqrt{0.09}=0.3\).

\(\frac{1}{4}\cdot\frac{4}{5}+7\cdot0.3=\frac{1}{5}+2.1=0.2+2.1=2.3\).

Ответ: 2,3.