1. For 1.999 × 2.4, how many decimal hops would you move (right to left) to place in your answer? 2. A paper clip weighs about 0.8 grams. A pile of paperclips weighs a total of 99.2 grams. How many paper clips were in the pile?

3. A hot dog cost $3.25 and a drink costs $1.50. Mai bought 3 hot dogs and a 2 drinks and paid with a $20 bill. How much was her change?

4. A rectangle has side lengths 3.4 units and 1.2 units. What is the area in square units?