c) The dog weighs 21 kg. (21 kg 46 lb) The word weighs tells us to use a measurement for weight. Choose kilograms because both grams and milligrams are too small: 21 g 0.05 lb and 21 mg 0.00005 lb. YOU TRY 5 Fill in the blank with the appropriate metric unit. Use m, mm, cm, km, L, mL, g, mg, or kg. a) The jar holds 35 of basil leaves. b) The bottle contains 240 of cough syrup. c) The distance from Minneapolis to Orlando is about 2526 . Think of questions to ask yourself to help you decide which measurement to use. ANSWERS TO YOU TRY EXERCISES 1) a) mL (180 mL 0.75 c) b) L (53 L 14 gal) 2) a) 0.12 L (0.12 L 0.5 c) b) 3700 mL (3700 mL 0.98 gal) 3) a) g (1 g 0.035 oz) b) mg (450 mg 0.016 oz) c) kg (1.8 kg 4 lb) 4) a) 0.2 g b) 91,000 g 5) a) mg b) mL c) km 7.3 Exercises Do the exercises, and check your work. Objective 1: Learn the Basic Units of Capacity Fill in the blank with the appropriate metric unit. Use milliliters or liters. 1) A teaspoon holds approximately 5 of liquid. 2) A tablespoon holds approximately 14 of liquid. 3) A can of soda pop contains 0.355 of soda pop. 4) A small cup of coffee contains 0.236 of coffee. 5) An eye dropper delivers 0.05 per drop. 6) A raindrop has a volume of 1 . Determine whether the indicated quantity seems reasonable or unreasonable for each application. If it is unreasonable, specify whether it is too much or too little. 7) To create a bubble bath requires adding 10 L of bubble bath soap to a tub of warm water. 8) Houng is going to make 6 servings of Vietnamese chicken noodle soup (Pho Ga). She needs to use 412 mL of water to make this popular Vietnamese cuisine. 9) An antacid tablet is dissolved in 120 mL of water. 10) A patient was given 15 mL of cough syrup every four hours. 11) When Bret washes his car, he uses approximately 450 mL of water. 12) To help tired eyes, one should use 100 mL of saline solution eye drops twice a day. Objective 2: Convert Between Metric Units of Capacity Change to the indicated unit using unit fractions and using the metric conversion chart. 13) 325 mL to liters 14) 206 mL to liters 596 CHAPTER 7 Measurement and Conversion www.mhhe.com/messersmith
messersmith_power_prealgebra_1e_ch4_7_10
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