Have a test next week, pls help or guide me to solve this math problem which involve calculus! (full solutions will be appreciated)?
回答 (1)
2017-04-15 3:03 pm
✔ 最佳答案
( 1 - 87.5% ) * Io = Io * (1/2)^(t/8)0.125 = (1/2)^(t/8)
(1/2)^3 = (1/2)^(t/8)
t / 8 = 3
t = 24
Ans: 24 days
收錄日期: 2021-05-02 14:11:01
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