[3.2]Question 9a) The half-life of iodine-125 is 59.4 days. If it has initial activity of 3.42 x 10¹ Bq.What it will be it is activity after one year?b) A 75.0-g sample of carbon taken from the pelvic bone of a skeleton is found to have carbon-14 decay rate of220.00 decays/min. It is known that carbon from a living organism has a decay rate of 15.0 decays/min. g and thatcarbon-14 half life of 5730yr = 3.01 x 10 min.Find the age of the skeleton?[3.3]

Given data: The half life of iodine-125 is 59.4 days. Initial activity of iodine-125 is 3.42×104…

Answered: a) The half-life of iodine-125 is 59.4…

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