teg62505 teg62505

11-04-2024
Mathematics

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The radioactive substance uranium-240 has a half-life of hours. The amount of a sample of uranium-240 remaining (in grams) after hours is given by the following exponential function.
A(t)=4700(1/2)^t/14
Find the amount of the sample remaining after 13 hours and after 40 hours.
Round your answers to the nearest gram as necessary.

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