Operation of Decimals.

1.   Multiply 16.74 by 6. The answer is ...
2.   The product of 16 and 4.7 is ...
3.   Divide 53 by 4 and express your answer as a decimal correct to 1 decimal place. ...
4.   David bought 3 books at 49.65 dolar each. Wendy boght 4 pens at 7.90 dolars. How much did both of 
      them spend altogether?
5.   Find the product of 24.87 and 9.
6.   Add 16.7 to 24 and divide the result by 5.
7.   Express 647 cm in metres.
8.   Mrs LIm sold 36 packets of milk. Each packet contained 0.75 litres of milk. How much milk did she sell?
9.   Eugene had 50 dolars. He bought 7 pens at 3.55 dolars each. How did he have left?
10. Janet bought 5 boxes of chocolates and a box of sweets for 80.15 dolars. The box of sweets cost 3.65   
      dolars. Find the cost of each box of chocolates.