delvillarandrew delvillarandrew

13-11-2022
Mathematics

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A doctor prescribes 100 milligrams of a therapeutic drug that decays by about 15% each hour. To the nearest hour, what is the half-life of the drug?

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Find the value of the expression 4a4 − 2b2 + 40 when a = 2 and b = 7. a. 6 b. 39 c. 74 d. 202