[填空题]
The lengths of the sides of a3 oed v57z1r05fggfex rectangul*dn peib8w/ijlj0y-(50le hj ar plate are measured, and the diagram shows the measured vay ln*i5j-/8ijlj(0e ewd0bh plues 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 skpz3vz5g3*kip0u pv :+nd py*o the percentage uncertainties need to be added. dzip+*: zvy k3 g0puv k35n*ppUncertainty in length is one part in 50, i.e. 2%; and in the height it is one part in 25 or 4%. Adding the uncertainties gives 6%.