中2 mathz easy 2 question,help plz

2007-11-25 9:56 am
1)Kenny took 20.1 seconds to finish a 200m race.Find the maximum absolute error,upper limit and lower limit of the time.
2)Tommy uses a thermometer to measure the room temperature.If the reading of the thermometer is 24 degree Celsius,correct to the mearest 2 degree Celsius,find the maximum absolute error and relative error of the room temperature.

回答 (1)

2007-11-25 10:21 am
✔ 最佳答案
1)the maximum absolute error=0.05
upper limit=20.15
lower limit=20.05

2)the maximum absolute error=1
relative error=1/24
參考: myself


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