Question
Asked Dec 10, 2019
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  • How long will it take a sample of radioactive substance to decay to half of its original amount, if it decays according to the function A(t)=500e-0.153t , where t is the time in years? Round your answer to the nearest hundredth year.
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Expert Answer

Step 1

To find the original amount plug t=0

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A(t)=500e A(0)=500e-0.153(0) A(0)=500e° -0.153t A(0)=500(1) A(0)=500

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Step 2

If initial amount is 500, then half of it ...

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