jkondakoff77 jkondakoff77

19-05-2021
Mathematics

contestada

Element X is a radioactive isotope such that every 91 years, its mass decreases by half. Given that the initial mass of a sample of Element X is 80 grams, how long would it be until the mass of the sample reached 68 grams, to the nearest tenth of a year?

Respuesta :

nayaalwaysbaby nayaalwaysbaby

21-05-2021

Answer:

21.3

Step-by-step explanation:

Delta math answer.

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