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Mathematics, 31.03.2021 09:50 aerisander02

Actinium is a radioactive soft metal that glows light blue in the dark. The isotope actinium-228 has a half-life of about 21.77 years. Suppose a laboratory worked with a 1.65 milligram sample of actinium-228. What function could be used to represent the amount, A, in milligrams of the actinium-228 sample after t years?

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Actinium is a radioactive soft metal that glows light blue in the dark. The isotope actinium-228 has...

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