Mathematics
Mathematics, 06.12.2020 01:40, hardwick744

The radioactive material strontium-89 decays according to the formula A = A, e-0013, where t is expressed in days. To the nearest thousandth, how much strontium-89 will be left if
a sample of 25 grams decays for 45 days

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The radioactive material strontium-89 decays according to the formula A = A, e-0013, where t is exp...

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