scampbell72
scampbell72 scampbell72
  • 24-06-2017
  • Mathematics
contestada

The radioactive substance cesium-137 has a half-life of
30
years. The amount
At
(in grams) of a sample of cesium-137 remaining after
t
years is given by the following exponential function.

Respuesta :

mathmate
mathmate mathmate
  • 25-06-2017
A(t)=A0*(1/2)^(t/30)
where t=elapsed years
A0=initial mass at t=0.
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