Question

cises
3. Solve numarical examples.
i) The masses of two bodies are measured
to be 15.7 + 0.2 kg and 27.3 + 0.3 kg
What is the total mass of the two and the
error in it?
[Ans: 43 kg, 0.5 kg)
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Answer 1

Answer:

sorry I cannot solve this answer because I can not know this

Answer 2

Answer:

I think it's 43.5 this is my answer else l don't know l hope it helps thanks.