Question: Write your answer to the following problems with the appropriate number of significant figures. (a) 6.85 105 m + 2.7 107 m (b)

Write your answer to the following problems with the appropriate number of significant figures.
(a) 6.85 × 10−5 m + 2.7 × 10−7 m
(b) 702.35 km + 1897.648 km
(c) 5.0 m × 4.3 m
(d) (0.04/π) cm
(e) (0.040/π) m

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