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LenaWriter [7]
3 years ago
9

After two half-lives how much of the original isotope

World Languages
2 answers:
Licemer1 [7]3 years ago
7 0
I think answer would be 25%
MrRa [10]3 years ago
5 0
Ou of these options 50% 25 % 6.25%<span> 2% </span><span>0.39%. The answer is 25%</span>
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