Thursday
April 24, 2014

Homework Help: Calculus

Posted by Anonymous on Sunday, January 27, 2013 at 4:36pm.

The half life of a certain radioactive substance is 10 years. How long will it take for 18 gms of the substance to decay to 6 gms?
A. 6 ln 10 years
B. 10 ln 6 years
C. 10 (ln 3)/(ln 6) years
D. 18 ln 10 years
E. 10 (ln 3)/(ln 2) years

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