Multiple Choice
A radioactive isotope has a half-life of one week. At the end of two weeks the amount remaining is
A) none,
B) one-eighth,
C) one-quarter,
D) one-half,
And at the end of three weeks the amount remaining is
E) none.
F) one-eighth.
G) one-quarter.
H) one-half.
Correct Answer:

Verified
Correct Answer:
Verified
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