[填空题]
The lengths of the sides of a rectanrkg8cou *e 14hgular plate are measuruyx6m)7m0af xky1 j5g ed, and the diagram shows the m6gu y70jx5)kyx fa1mmeasured values with their uncertainties. What is the percentage error in the area of the plate? %. (Remember to exclude the % symbol with your answer.)
参考答案: 6
本题详细解析: Area involves a multiplication so the percentage uncertainties need to beh2km( h5je+v 3mntqdh9wgj, kq73; zi added. Uncertainty in length is one part in 50, i.e. 2%; and in the height it is one part in 25 or 4%. Adding the uncertain5gn9m qh7+ hm3tk 3dh;ijkq(ezvj2 w,ties gives 6%.