Exponents Question
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Grade 11 Exponents CCSS: HSF-LE.A.2
A scientist starts with a 200 mg sample of a radioactive element. The amount halves every 10 years. Which function models the amount, A(t), in mg, remaining after t years?
- [math]A(t) = 200(1/2)^t[/math]
- [math]A(t) = 200(1/2)^t/10[/math]
- [math]A(t) = 200 - 10t[/math]
- [math]A(t) = 200(10)^t[/math]
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