IB MAI HL Functions Topic 2.2 Applications of Functions (id: 5a39335b3)

本题目来源于试卷: IB MAI HL Functions Topic 2.2 Applications of Functions，类别为 IB数学

[填空题]
The half-life, T, infwo/9 wgf;*qr,s iuu 012errd5 *xftf)f j.bn days, of a radioactive isotope can be modelled by the functiff bj .ntf5x*)on
T(k)​=​,01.The decay rate of Gold-196 is 6.2 % per day. Find its half-life.
The half-life of Phosphorus-32 (P-32) is 14.3 days. A sample containing 120 grams of P-32 is produced and stored in a biochemistry laboratory. T ≈   
2.Find the decay rate per day of P-32. k =    %
3.Find the amount of P-32 left in the sample after:
(1)14.3 days;    grams
(2)50 days. ≈    grams

参考答案:
空格1: 10.8±2%  空格2: 4.73±2%  空格3: 60±2%  空格4: 10.6±2% 


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