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02-06-2019
Mathematics

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The half-life of a radioactive isotope is the time it takes for quantity of the isotope to be reduced to half its initial mass. Starting with 190 grams of a rafioactive isotope, how much will be left after 3 half-lives? Please help

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zyerink zyerink

02-06-2019

23.75

1/8 times 190 or 190 divided by 8 equals 23.75

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