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3–7WRITE ITHow would you findthe number of decimalplaces for the productof a number with twodecimal places and anumber with threedecimal places?Check Your ProgressMultiply.a. 3.8 × 2.3 b. 0.31 × 2.9c. Evaluate 2.9w if w = 0.046.EXAMPLEMONEY Carmen earns $4.60 an hour working part-timeas a painter’s assistant. She worked a total of 15.75 hoursone week. How much money did Carmen earn?Estimate 15.75 × 4.6 × orHOMEWORKASSIGNMENTPage(s):Exercises:15.75 two decimal places____ × 4.60 two decimal places94500____ 6300 The product has four decimal places.72.4500 You can drop the two zeros at theend because 72.4500 = 72.45.Carmen earned .Check Your Progress MONEY Susan earns $5.80 an hourworking at a local video store. She worked a total of 28.25 hoursone week. How much money did she earn?Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.72 Math Connects, Course 1