Element X is a radioactive isotope such that every 9 years, its mass decreases by half. Given that the initial mass of a sample of Element X is 9300 grams, how much of the element would remain after 3

asked Nov 17, 2022 162k views

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9 votes

Answer: 7381

Step-by-step explanation: correct on delta

Washington Botelho answered Nov 19, 2022

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7 votes

Answer:

After 3 years the mass will decrease by

(0.5*3/9) *9300 = 1550 grams

Then it will be 9300 - 1550 =7750 grams

Demyanov answered Nov 22, 2022

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