е) 2/7 · √0,49 + √(1 9/16) =

\(\sqrt{0.49}=0.7\), \(\sqrt{1\frac{9}{16}}=\sqrt{\frac{25}{16}}=\frac{5}{4}=1.25\).

\(\frac{2}{7}\cdot0.7+1.25=0.2+1.25=1.45\).

Ответ: 1,45