Mathematics, 24.03.2021 01:00, kay7766
The half-life of a radioactive isotope is 6 years. Initially there are 400 grams of the substance. Approximately how much of the isotope remains after 5 years?
O 87 grams
O 174 grams
224 grams
577 grams
Answers: 3
Mathematics, 21.06.2019 21:40, angellynn581
The sum of the squares of two numbers is 8 . the product of the two numbers is 4. find the numbers.
Answers: 1
The half-life of a radioactive isotope is 6 years. Initially there are 400 grams of the substance. A...
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