Concept explainers
To determine how much of a 100 g sample will remain after 1 week.
Answer to Problem 10P
The remaining amount shall be 25 g
Explanation of Solution
Given information:
the radioactive gas radon has a half life of approximately
We shall use the formula for half-life,
(If an amount
Hence we put the values given in the question (1week=7 days)
The remaining substance shall be,
Hence the remaining amount shall be 25 g
Chapter 10 Solutions
Algebra and Trigonometry: Structure and Method, Book 2
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