IB MAI HL Number and Algebra Topic 1.1 Number Skills (id: 7a81ab9d6)

本题目来源于试卷: IB MAI HL Number and Algebra Topic 1.1 Number Skills，类别为 IB数学

[填空题]

1.calculate the value of r.
r=  .
Albert first writes a, b and c correct to one significant figure and then uses these values to estimate the value of r.

2.1.Write down a, b and c each correct to one significant figure.
a=  ,b=  ,c=  .
2.2.Find Albert's estimate of the value of r.
r=  .
3.Calculate the percentage error in Albert's estimate of the value of r.
Using the percentage error formula ϵ=  %.

参考答案:
空格1: 1.89  空格2: 1  空格3: 4  空格4: 40  空格5: 1.95  空格6: 3.17±1% 


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