Answer:
,-3
Step-by-step explanation:
Naoya read a book cover to cover in a single session, at a rate of 55 pages per hour. After 4 hours, he had 350 pages left to re
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after 6.2 hours the dose will decay to 70% in your bloodstream.
<h3>How long you must wait for the dosage to decay to 70% in your bloodstream?</h3>We know that the half-life is 12 hours. Then the exponential relation for an initial dosage of A is:
If the dosage needs to decay to a 70% of the initial dosage, then we must have:
Now we need to solve that for t:
If we apply the natural logarithm in both sides, we get:
So after 6.2 hours the dose will decay to 70% in your bloodstream.
If you want to learn more about half-life:
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