# Chapter 7 - Measurement - Summary Exercises - U.S. and Metric Measurement Units: 28

2.64 m; 0.00264 km

#### Work Step by Step

To find the 3rd tallest person’s height in meters. The 3rd tallest person according to table is John Carroll (1932–1969) USA whose height is 264 cm Put the unit for the answer (centimeters) in the numerator of the unit fraction; put the unit you want to change (m) in the denominator. Unit Fraction equivalent to 1 = (1 meter)/(100 centimeter) Multiply 264 cm times the unit fraction. 264 cm * (1 meter)/(100 centimeter) = 2.64 m To find the 3rd tallest person’s height in kilometers Put the unit for the answer (meter) in the numerator of the unit fraction; put the unit you want to change (km) in the denominator. Unit Fraction equivalent to 1 = (1 km)/(1000 meter) Multiply 2.64 m times the unit fraction. 2.64 m * (1 km)/(1000 meter) = 0.00264 km

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