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asked Sep 21, 2021 217k views

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Nirmalz Thapaz · Answer 1 · 2021-09-27T18:21:37+0000

Answer: 138

Step-by-step explanation: all the numbers are written in 3 significant figures so, your answer must be in 3 significant figures; 67.4 + 43.2 + 27.3 = 137.9 so, now write this in 3 significant figures which is 138 (round off the 7).

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