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OpenStudy (anonymous):
MEDAL AND FAN! A 9 gram sample of a substance that's used for drug research has a k-value of 0.1483. Find the substance's half-life in days. Round to the nearest 10th
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OpenStudy (anonymous):
woah srry cant help
OpenStudy (adamaero):
explanation http://openstudy.com/study#/updates/518a846de4b0d254cf0ea31b example http://openstudy.com/study#/updates/4e37f61e0b8bf47d065f013d
OpenStudy (adamaero):
I can check your answer if you'd like.
OpenStudy (anonymous):
5.7 i get it now, thanks
OpenStudy (anonymous):
I get 4.7. From this equation. \[4.5=9e ^{-.1483t}\]
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OpenStudy (anonymous):
4.7 correct
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