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ZX-AE291FE6D42025年3月美国C卷练习 · 第 19 题
2025年3月美国C卷练习 · 原库模块 1 · Q19 原库参考解析
A researcher observe a sample of a nuclide. An exponential model estimates that the mass, in grams, of the sample decreases by 23% every 11.69 minutes. Which of the following equations could represent this model, where M is the estimated mass, in grams, of the sample t minutes after the researcher began observing the sample?
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