г) \(200 \cdot \frac{26}{4000} \cdot \frac{2}{13}.\)

г) \(200 \cdot \frac{26}{4000} \cdot \frac{2}{13} = \frac{200 \cdot 26 \cdot 2}{4000 \cdot 13} = \frac{1 \cdot 2 \cdot 2}{20 \cdot 1} = \frac{4}{20} = \frac{1}{5}.\)

Ответ: \(\frac{1}{5}\)