A certain radioactive isotope has a rate constant of decay of 2.90 × 10-2 min-1.Calculate the time required for a sample of this isotope to decay to one-fourth of its initial value.
A) 23.9 min
B) 29.9 min
C) 0.0580 min
D) 47.8 min
E) 2.90 min
Correct Answer:
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