Chemistry, 17.02.2021 17:40 fanta47

If the original amount of a radioactive isotope is 140 grams, how much would be left after 3 half-lives. ? Please show how you got the work with a clear explanation so I can understand how this works. I also ask for the person answering not to write curse words, plagiarize, or spam, or any other nonsense. Thank you.

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