Dalton F.

asked • 07/25/19

exponential decay

The​ half-life of a radioactive substance is 33.9 years.

a. Find the exponential decay model for this substance.

b. How much of the sample of 1000 grams will remain after

20 ​years?

c. How long will it take a sample of 1000 grams to decay to 700 ​grams?


1 Expert Answer

By:

Tesfaye D. answered • 07/27/19

Tutor
New to Wyzant

PhD in Chemistry with Research and Teaching Experiences

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