Activity 3.2 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

Unformatted text preview: Activity 3.2 Unit Conversion Homework Answer Key Complete each of the following. When a calculation is required, show your work. ® What conversion factor should be used to convert from Gigaliters to liters? @ 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. b. 57.2 inches to feet. c. 4 ft 695 in. to inches. Record your answer in fractional inches. d. 6 ft 9 inches to decimal feet. Record your answer to the nearest hundredth of a foot. e. 935.6 inches to yards. Record your answer to the nearest hundredth of a yard. f. 23.5 million nanometers to millimeters g. 98.6 inches to meters. The width of a strand of fiber is 19.2 micrometers. If 1500 strands are adhered together side by side, how wide would the resulting fabric be if measured in centimeters? G) You are planning to buy a new couch for your family room. Before you leave for the furniture store, you measure the available space and conclude that the couch should be between 5‘ 10" and 6' 8" long. At the store you find a couch that you like. The specification sheet on the couch indicates that that the couch is 78 inches long. a. What are the limits on the couch length in inches? b. What is the length of the couch in feet and inches? Hint: Convert the measurement to decimal feet first. c. Will the couch fit into the available space? Measure and record your height in feet and inches and then convert your height to meters and then to centimeters. @ Challenge: You are hoping to receive a scholarship for volleyball and are entering your personal information and statistics on a secure website to be reviewed by recruiters. The website requires that you report your height in feet and inches to the nearest 1/1: inch. You have a decimal tape measure and find that you are 5.89 feet tall. What height measurement will you report to honestly and accurately report your height? —> Q) The posted speed limit in many parts of Europe is 100 kmr'hr. What is the equivalent speed limit in miles per hour? In the drawing below, some lengths are given in SI units, others in US. Customary units. Convert each mm measurement to inches and round to the nearest hundredth of an inch. Convert each inch measurement to the nearest millimeter. Record each answer within the parentheses under the corresponding dimension. ...
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