Math / Calculus

QuestionThe half-life of a drug in the bloodstream is 9 hours. What fraction of the original drug dose remains in 12 hours? in 24 hours?
What fraction of the original drug dose remains in 12 hours? $\square$ (Do not round until the final answer. Then round to the nearest hundredth as needed.)

Studdy Solution
Round the final answer to the nearest hundredth: $0.39685 \approx 0.40$
The fraction of the original drug dose remaining in 12 hours is:
$\boxed{0.40}$

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