[填空题]
The lengths of the sirk seb2wjw s65w x 0w3nlk1)*mdes 64 ;kuj*nw mlcof a rectangular plate are measured, and the diagram shows the measured values with their uncerta4m k*nu;wcjl 6inties. 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 sprf e ti:k2)ic h;r)ubx8;ru2o the percentage uncertainties need to be 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 uncerfir2ruxrc)ki : e8)p2ut;b ;h tainties gives 6%.