Problem:
( 1 meter / 3.28 feet ) x ( 100 cm / 1 meter ) = 100/3.28 cm/ft
100/3.28 cm/ft
This can be written as 100 cm = 3.28 ft
Use thederivedconversion factor, and start with 170 cm to convert the problem to your answer.
( 170 cm ) x ( 3.28 ft / 100 cm ) = ( 1.7 x 3.28 ) ft
( 1.7 x 3.28 ) ft ~= 5.58 ft
170 cm has two significant figures, so you can round to 5.6 ft.
Therefore: 170 cm ~= 5.6 ft
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