Ответ:

  1. \(240 \cdot 0{,}15 = 240 \cdot \frac{15}{100} = 36\).

  2. \(18 \cdot \frac{2}{3} = 18 : 3 \cdot 2 = 12\).

  3. \(3{,}2 \cdot 0{,}25 = 3{,}2 \cdot \frac{1}{4} = 0{,}8\).

  4. \(150 \cdot 0{,}4 = 150 \cdot \frac{4}{10} = 60\).

  5. \(500 \cdot \frac{3}{5} = 500 : 5 \cdot 3 = 300\).

  6. \(120 \cdot 0{,}07 = 120 \cdot \frac{7}{100} = 8{,}4\).

Ответ: 1) 36; 2) 12; 3) 0,8; 4) 60; 5) 300; 6) 8,4.