Posted by **Kevin** on Thursday, September 6, 2012 at 6:47pm.

Suppose you are asked to determine the perimeter of a seven-sided irregular figure. You make the following measurements:

Side 1 = 3.2 m

Side 2 = 4.8 m

Side 3 = 2.000 m

Side 4 = 8.94 m

Side 5 = 11 m

Side 6 = 7.566 m

Side 7 = 4.0 m

How many significant figures should there be in your calculation for the perimeter?

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