How do you solve 1 through 4

Chemistry 110 Lab Name Quiz 3 30 pts. Show correct digits and units. Show all work when necessary. Use the following conversion factors 3.28 feet= 1 meter 1 mile = 5280 feet 1 quart = 2 pints 1 inch = 2.54 cm 1 foot = 12 inches 1 Kg = 2.205 1 ton = 2000 1.06 qt = IL pounds pounds 1.61 km = 1 mile 16 oz = 1 pound 3 feet = 1 yd 1. How many centigrams is in 345.3 kilograms? Answer 2. How many miles are in 65.22 mm? Answer 3. How many square nanometers are in 38.2 square millimeters? Answer 4. If the average speed on the uncrowded 91 Freeway is 64.5 miles per hour, what is the average speed in centimeters per second? Answer_