Alissa Fong

MA, Stanford University
Teaching in the San Francisco Bay Area

Alissa is currently a teacher in the San Francisco Bay Area and Brightstorm users love her clear, concise explanations of tough concepts

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Exponential Growth and Decay - Problem 7

Alissa Fong
Alissa Fong

MA, Stanford University
Teaching in the San Francisco Bay Area

Alissa is currently a teacher in the San Francisco Bay Area and Brightstorm users love her clear, concise explanations of tough concepts

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Since we know the half-life time for many elements that naturally occur in nature, we can use exponential modeling to describe decay of organic material and make predictions about the age of fossils based on how much material is left. Here, we look at Carbon-14 to predict the age of a fossil. Keep in mind that for all half-lives, the ratio of amount after time to starting amount will be 1/2.

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