By READING the R vs t graph shown below, determine Ro & the mean life. Ro = ? decays/s mean life =
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By READING the R vs t graph shown below, determine Ro & the mean life.
Ro = ? decays/s
mean life =
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- A radioactive species has 128 atoms present. If it has half-life of 5 years, calculate the number of atoms remaining after 20 years of decay.The half life of C-14 is 5730 years. What percentage of C-14 remains 4850 years after a living organism dies?An archeological artefact is dated to approximately 8100 y old by carbon dating. What is the ¹4C/¹2C ratio in this artefact com- pared to that of the ratio in present day organic materials? The half-life of ¹4C is 5.7 x 10³ y. Type your answer here
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