Calculate the percent activity of the radioactive isotope iridium-192 remaining after 2 half-lives.

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asked Mar 23, 2018 51.3k views

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Isa Hekmat · Answer 1 · 2018-03-29T09:45:15+0000

The percentage activity of radioactive isotope iridium 192 remaining is 25% after 2 half lives.The duration of two half- lives means that iridium-192 undergo decay for two times, that is
After one half live 50% remains
After two half live 25%remains

Calculate the percent activity of the radioactive isotope iridium-192 remaining after 2 half-lives.

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