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Radioactive decay The half-life of a certain radioactive

ISBN: 9780321884077 57

Solution for problem 81E Chapter 1.6

Thomas' Calculus: Early Transcendentals | 13th Edition

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Thomas' Calculus: Early Transcendentals | 13th Edition

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Problem 81E

Radioactive decay The half-life of a certain radioactive substance is 12 hours. There are 8 grams present initially.

a. Express the amount of substance remaining as a function of time t.

b. When will there be 1 gram remaining?

Step-by-Step Solution:

Step 1 of 4</p>

In this problem we have to find the amount of substance remaining and also find the when will be 1 gram remaining.

Given that

Half life of radioactive substance is 12 hours.

And also give 8 grams present initially.

Step 2 of 4</p>

We know that the number of  radioactive substance  (y) present at any later time t will be

Given in the problem and .

First find the value of

.’.

Step 3 of 4

Step 4 of 4

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Radioactive decay The half-life of a certain radioactive

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