Ответ:

  1. \(\frac{9}{25}=\frac{36}{100}=0.36\).
  2. \(\frac{5}{8}=\frac{625}{1000}=0.625\).
  3. \(\frac{121}{50}=\frac{242}{100}=2.42\).

Ответ: 0.36; 0.625; 2.42.