Multiple Choice
Solve the problem.
-In the formula 
, A is the amount of radioactive material remaining from an initial amount I at a given time t, and k is a negative constant determined by the nature of the material. A certain radioactive isotope
Decays at a rate of 0.275% annually. Determine the half-life of this isotope, to the nearest year.
A) 109 yr
B) 252 yr
C) 3 yr
D) 182 yr
Correct Answer:
Verified
Correct Answer:
Verified
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