abigailtaylor7998 abigailtaylor7998
  • 12-03-2021
  • Mathematics
contestada

Element X is a radioactive isotope such that every 28 years, its mass decreases by half. Given that the initial mass of a sample of Element X is 40 grams, how much of the element would remain after 11 years, to the nearest whole number?

Respuesta :

169907 169907
  • 15-03-2021

Answer:

30

Step-by-step explanation:

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