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=O EXPONI NTIAL AND LOKARITHMIC FUNCTIONSEvaluating an exponential function that models a real-world...The radioactive substance uranium-240 has a half-life of 14 hours. The amount A (1) of a sarthe following exponential function.A(!)(*47001Find the amount of the sample remaining after 7 hours and after 60 hours.Round your answers to the nearest gram as necessary.Amount after 7 hours:gramsAmount after 60 hours:gramsX5?

=O EXPONI NTIAL AND LOKARITHMIC FUNCTIONSEvaluating an exponential function that models-example-1
User Chetan Gole
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1 Answer

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17 votes

We have the next function to find the solutions:


A(7)=4700\cdot((1)/(2))^{(7)/(14)}=3323.4019\approx3323gr
A(60)=4700\cdot((1)/(2))^{(60)/(14)}=240.9735\approx241gr

Then, the amount after 7 hours is 3323 grams, and after 60 hours is 241 grams.

=O EXPONI NTIAL AND LOKARITHMIC FUNCTIONSEvaluating an exponential function that models-example-1
User Pawegio
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