04-09-2020
Mathematics

contestada

need help, please help

need help please help class=

Respuesta :

JayV2005 JayV2005

04-09-2020

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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