Mathematics, 28.10.2020 23:50 bri663
CASH APP for the first person to get it right Element X is a radioactive isotope such that every 30 years, its mass decreases by half. Given that the initial mass of a sample of Element X is 1400 grams, how long would it be until the mass of the sample reached 800 grams, to the nearest tenth of a year?
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