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| 1. |
The half life of a given radio only create id is 138.6 days what is the mean life of this nucleotides |
| Answer» FE period of a radioactive element is 27.96 days t(1/2)=.693/k k=.693/t(1/2) k=2.303/T log (initial activity/final activity) .693/27.96 =2.303/T *log(1/1/8) T=84 days=the TIME taken by a GIVEN sample to reduce to 1/8th of its initial activity. | |