Pltw 3.2a Unit Conversion Homework Answer Key

Activity 3.2 Unit ConversionHENRY REINSCH 5thHOURProcedureComplete each of the following. When a calculation is required, show your work. 1.Write an equation that shows the equivalency between meters and Gigameters.X meters 109=X gigameters2.What conversion factor should be used to convert from meters to Gigameters?93.Convert each of the following quantities to the indicated units. Use the appropriate number of significant figures to express your answer unless directed otherwise.a. 4.567 trillion (4,567,000,000,000) meters to Gigameters.4567 Gigametersb. 14520 milliliters to liters. Report to the nearest hundredth of a liter.145.2 litersc.43 thousand microseconds to seconds. Report to the nearest thousandth of a second..000043 secondsd. 6.30 yards to feet.18.9 feete. 0.55 feet to inches.6.6 Inf.9 feet – 2 ½ in. to inches. Report answer using fractional inches.110 ½ inches© 2012 Project Lead The Way, Inc.Introduction to Engineering Design Activity 3.2 Unit Conversion – Page 1

Activity 3.2h Unit Conversion HomeworkComplete each of the following. When a calculation is required, show your work. 1. What conversion factor should be used to convert from Gigaliters to liters?1 gigaliter = 10 to the ninth liters2. Convert each of the following quantities to the indicated units. Use the appropriate number of significant figures to express your answer unless otherwise indicated.a. 0.005098 Megaliters to liters. Record your answer in whole liters.5098 litersb. 57.2 inches to feet.4.5ftc.4 ft – 6 ½ in. to inches. Record your answer in fractional inches.50 ½ inchesd. 6 ft – 9 inches to decimal feet. Record your answer to the nearest hundredth of a foot.6.7fte. 935.6 inches to yards. Round your answer to the nearest hundredth of a yard.26inf.23.5 million nanometers to millimeters 2.35x10g. 98.6 inches to meters..9863. The width of a strand of fiber is 19.2 micrometers. If 1500 strands are adhered side by side, how wide would the resulting fabric be if measured in centimeters?

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