英文版的1Apieceofwoodhasalabeledle-查字典问答网

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　　英文版的1Apieceofwoodhasalabeledlengthcalueof76.49cm.Youmeasureitslengththreetimesandrecordthefollowingdata:76.48cm76.47cmand76.59cm.Howmanysignificantfiguresdothesemeasurementshave?2Arethemeasurementsinproble

　　英文版的

　　1Apieceofwoodhasalabeledlengthcalueof76.49cm.Youmeasureitslengththreetimesandrecordthefollowingdata:76.48cm76.47cmand76.59cm.Howmanysignificantfiguresdothesemeasurementshave?

　　2Arethemeasurementsinproblem39accurate?Aretheyprecise?Explainyouranswers.

　　3Calculatethepercenterrorforeachmeasurementinproblem39

　　4Round76.51cmtotwosignificantfigures.Thenroundyouranswertoonesignificantfigure.

　　5Whichofthesemeasurementswasmadewiththemostprecisemeasuringdevice:8.1956m,8.20m,or8.196m?Explainyouanswer.

　　6Writeanexpressionforthequantity506000cminwhichitisclearthatallthezerosaresignificant

　　最好中英文双解哈答的好分数会多给的

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2020-01-1621:15

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　　1.76.48cmhas4significantfigures76.47cmhas4significantfigures76.59cmhas4significantfigures2.themeasurementsinproblem39isnotaccuratebecauseitisoffby1mm~10mm;theyare...