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amberwasp281Lv1
28 Apr 2021
What is the ½-life of a radioisotope, in years, if it decays to one fourth of its radioactivity in 96.0 years?
What is the ½-life of a radioisotope, in years, if it decays to one fourth of its radioactivity in 96.0 years?
muhammad-khLv3
11 May 2022
Kenneth DuqueLv10
28 Apr 2021
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