1. Convert 7.5 feet to centimeters. (Use: 1 ft = 12 in, 1 in = 2.54 cm)

2. Convert 250 grams to pounds. (Use: 1 oz = 28.35 g, 1 lb = 16 oz)

3. Convert 3.5 kilometers to meters.

4. Convert 4500 milligrams to grams.

5. Convert 3 square yards to square inches. (Use: 1 yd = 3 ft, 1 ft = 12 in)

6. Convert 2 cubic feet to cubic centimeters. (Use: 1 ft = 12 in, 1 in = 2.54 cm)

7. A car travels at 70 miles per hour. Convert this speed to meters per second. (Use: 1 mi = 1.609 km, 1 km = 1000 m, 1 hr = 3600 s)

8. The density of aluminum is 2.70 g/cm³. Convert this to kg/L.

9. A rectangular box measures 12 cm × 8 cm × 5 cm.
a) Calculate its volume in cm³
b) Convert the volume to mL
c) If the box is filled with water, what is the mass of the water in grams?

10. Convert 0.5 acres to square meters. (Use: 1 acre = 4840 yd², 1 yd = 3 ft, 1 m = 3.2808 ft)