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Problem

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Textbook Expert
Textbook ExpertVerified Tutor
21 Dec 2021

Given information

We are given that an isotope of sodium, , has a half-life of hours and a sample of this isotope has mass .

Step-by-step explanation

Step 1.

As established before, the function is

Graph this function and the function and look for intersects.

As we can see, graphs intersect at

 

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