Question:
if l=2.06cm +-0.02cm B=1.11cm +-0.03cm What are the (l+b) and (l-b) equal to
Answer:L + B =3.17 cm ± 0.05 cm , L - B = 0.95±0.05 cm
L + B =3.17 cm ± 0.05 cm , L - B = 0.95±0.05 cm
Please not that actual values i.e. 2.06 cm and 1.11 cm are added in case of (L+B) and subtracted in case of (L-B) , but absolute errors are added in both cases.
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