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- 1. Calculate the age of the fossil given that the amount of 14C found in it is 92 percent of that in living tissue. Carbon-14 has a half life of 5730 years ?how did you get M(3L/4)^2The smallest 14C/12C ratio that can be reliably measured is about 3.0 * 10-15, setting a limit on the oldest carbon specimens that can be dated. How old would a sample with this carbon ratio be?
- Dont ignore pleaseneed only correct answers no explanation. Just answer upload. Donti ignore plz solve all Dont reject it not graded questionsok2) Uranium-238 undergoes alpha decay. Into what element does Uranium 238 transmute? What is the atomic number of the new element? 4) Technetium-99 m is a radioactive isotope with a half-life of 6 hours. If a sample of was originally 100mg , how much would remain after 24 hours? 5) How long would it take a 1-kg radioactive substance with a half-life of 100 years to decay into1 2.5 g?