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If one half life is the amount of time it takes for a radio active isotope to decay by a factor of 2, approximately which percent describes how much of the initial quantity of a substance would remain after 2-3 half lives?

A.0.25
B.0.20
C.0.75
D.0.50

User Sturla
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Answer:

the answer for this question is option c

User Dallonsi
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