1.which prefix means one hundredth? a. milli b. deci c. centi d. deca 2.which unit would you use to measure the length of a school bus? a. inches b. cm c. m d. km 3.convert 6.3 meters to millimeters. a.0.0063 mm b.63 mm c.630 mm d.6,300 mm 4.which unit would you use to measure the weight of a flea? a. mg d. g c. ounces d. kg 5. convert 789 grams to kilograms. a.789,000 kg b.7,890 kg c.7.89 kg d.0.789 kg 6.which measurement is equivalent to 987 ml? a.9.87 l b.9,870 l c.0.987 l d.98.7 l 7.which unit would you use to measure the amount of water in a bathtub? a. ml b. kg c. l d. fl. oz. 8.convert 21,120 feet to miles. a.3 miles b.3.5 miles c.4 miles d.4.5 miles 9.subtract 8 feet from 9 yards, 1 foot. a.6 yards, 2 feet b.7 yards, 1 foot c.6 yards, 1 foot d.1 yard, 1 foot 10.convert 5 lb., 10 oz. to ounces. a.60 oz. b.70 oz. c.85 oz. d.90 oz. 11.subtract 350 lb. from 4 tons. a.6,750 lb. b.7,550 lb. c.7,650 lb. d.8,350 lb. 12.which measurement is not equivalent to the others? a.6 pints b.3 quarts c.36 fl. oz. d.12 cups 13.which measurement is equivalent to 1/2 gallon? a.128 fl. oz. b.16 cups c.2 quarts d.8 pints 14.what is the sum of 90 minutes and 85 minutes? a.15 minutes b.2 hours, 55 minutes c.3 hours d.2 hours, 35 minutes 15.convert 5 hours to minutes. a.150 minutes b.200 minutes c.250 minutes d.300 minutes 16.if it is 8: 50 a. m., what will the time be 4 hours and 20 minutes later? a.1: 20 a. m. b.12: 30 a. m. c.1: 10 p. m. d.12: 30 p. m. 17.what is the elapsed time between 4: 25 and 7: 40? a.4 hours, and 5 minutes b.3 hours and 15 minutes c.3 hours and 45 minutes d.4 hours, and 15 minutes 18.what would normal body temperature be? a.90°f b.55°c c.37°c d.70°f 19.convert 25°c to fahrenheit. a.32°f b.45°f c.80°f d.77°f