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Question
A radioactive isotope has a half-life of one month. At the end of one month, the amount of the original isotope still remaining is1) none,
2) one-quarter,
3) one-half,
4) three-fourths,
and at the end of two months, the amount of original isotope remaining is
5) none.
6) one-fourth.
7) one-half.
8) three-fourths.
Answer
This answer is hidden. It contains 3 characters.
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