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ZX-828D4DEAF6PSAT 8/9 P2 · 第 21 题
PSAT 8/9 P2 · 原库模块 1 · Q21 原库参考解析
A sample of a certain isotope takes 29 years to decay to half its original mass. The function \( s(t)=184(0.5)^{\frac{t}{29}} \) gives the approximate mass of this isotope, in grams, that remains t years after a 184-gram sample starts to decay. Which statement is the best interpretation of \( s(87)=23 \) in this context?
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