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In physics atp, how much acceptable range is there when measuring through metre rule? There was a problem with my scale and all my measurements are +0.1 cm. Would they accept this? I had to multiply three values and as mine were 0.1 cm greater at the end my answer didn't match with others. We had to write to 2 s.f and I wrote 2.2 whereas answer should be 2. Is 2.2 in range? I can't share more details of question as 24 hours have not passed. Would be great if you could help.