Activity falls from N0 to N0/e in 3 minutes: find the half-life

1. A.
   $\frac{1}{3}\log_{e}2$
2. B.
   $3\log_{e}2$
3. C.
   $3\log_{10}2$
4. D.
   $\frac{3}{\log_{10}2}$

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1. A.
   $\dfrac{1}{3}\log_e 2$
2. B.
   $3\log_e 2$
3. C.
   $3\log_{10}2$
4. D.
   $\dfrac{3}{\log_e 2}$

Tap an option to check your answer.