Question: A rectangular piece of aluminum is 5.10 0.01 cm long and 1.90 0.01 cm wide. (a) Find the area of the rectangle and

A rectangular piece of aluminum is 5.10 ± 0.01 cm long and 1.90 ± 0.01 cm wide.
(a) Find the area of the rectangle and the uncertainty in the area.
(b) Verify that the fractional uncertainty in the area is equal to the sum of the fractional uncertainties in 1he length and in the with (This is a general result; see Challenge Problem 1.98)

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