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f.2 maths(急急急!!!!!!!!...)
發問:
全部要列式!!!!!THZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ1. If 4 320 is corrected to 3 significant figures, the maximum error is ??2. If the weight of a man is 50 kg with 2% percentage error,his true weightlies between ??3. On a 2.5% error, which of the following cannot be the ture value of 19.6??A. 20.08 ... 顯示更多 全部要列式!!!!!THZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ 1. If 4 320 is corrected to 3 significant figures, the maximum error is ?? 2. If the weight of a man is 50 kg with 2% percentage error,his true weightlies between ?? 3. On a 2.5% error, which of the following cannot be the ture value of 19.6?? A. 20.08 B.20.001 C. 19.78 D. 19.09
最佳解答:
2, 50 X 2% =1 The weightlies between 50-1 to 50+1 =49 to 51 3, 19.6 X 2.5% =0.49 The value between 19.6-0.49 to 19.6+0.49 =19.11 to 20.09 =D 唔明第一題個4320係咩數..
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