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In a lab experiment, the decay of a radioactive isotope is being observed. At the
beginning of the first day of the experiment the mass of the substance was 1000
grams and mass was decreasing by 15% per day. Determine the mass of the
radioactive sample at the beginning of the 14th day of the experiment. Round to the
nearest tenth (if necessary).

Respuesta :

Answer: 120.91 grams

Step-by-step explanation:

multiply the initial amount by the percent that will remain to the power of n-1, n being the term number, or how many days that have passed.

f(x)=1000(0.85)^14-1

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