Multiple Choice
Solve the problem.
-The half-life of an element is yr. How long does it take a sample of the element to decay to
of its original mass? Use
where A0 is the initial amount, T is the half-life, and t is the time. (Express
Results in scientific notation, rounded to the nearest hundredth.)
A)
B)
C)
D)
Correct Answer:

Verified
Correct Answer:
Verified
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