Ответ:

  1. а) \(5{,}4 = 5{,}4 \cdot 100\% = 540\%\).
  2. б) \(37 = 37 \cdot 100\% = 3700\%\).
  3. в) \(0{,}291 = 0{,}291 \cdot 100\% = 29{,}1\%\).
  4. г) \(\frac{1}{8} = 0{,}125 = 0{,}125 \cdot 100\% = 12{,}5\%\).
  5. д) \(\frac{3}{7} = \frac{300}{7}\% = 42\frac{6}{7}\%\).
  6. е) \(1\frac{2}{5} = 1{,}4 = 1{,}4 \cdot 100\% = 140\%\).