Concept explainers
a.
To Find: The element’s half-life
a.
Answer to Problem 26E
The element’s half-life
Explanation of Solution
Given information: The number of radioactive atoms remaining after
Formula used:
Where
Half-life is defined as the time it takes for one-half of the atoms of a radioactive material to disintegrate
Calculation:
Half-life is defined as the time it takes for one-half of the atoms of a radioactive material to disintegrate
Let, half-life
And,
Putting the value of
b.
To Find: How many days after the sample arrives will be able to use the polonium
b.
Answer to Problem 26E
The sample will be useful for
Explanation of Solution
Given information: Sample of
Formula used:
Where
Calculation:
Sample of
Here.
Putting the value of
Chapter 7 Solutions
Calculus: Graphical, Numerical, Algebraic: Solutions Manual
Additional Math Textbook Solutions
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University Calculus: Early Transcendentals (3rd Edition)
Calculus and Its Applications (11th Edition)
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