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Calcular o erro global de medição

2016-09-07View Original

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Em uma determinada medição, os erros dos três pesos de 1 grama utilizados foram X₁ = 2 μg, X₂ = 4,5 μg e X₃ = –3 μg. Qual é então o erro total dessa medição? Como calcular isso?
Reply #22016-09-08
Hmm, então é somar tudo, certo?
Reply #32016-09-09
É (X1+X2+X3)/3=1,17 ou (X1+X2+X3)=3,5?

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