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Question
What percentage of a radioactive substance remains after 7.00 half-lives have elapsed?A) 0.391%
B) 0.78%
C) 1.56%
D) 3.12%
Answer
This answer is hidden. It contains 1 characters.
Related questions
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C) medical procedures.
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What type of shielding can be used to protect against gamma rays?
A) cloth
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Q:
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