I need help with these two questions please
You first find a human jawbone. You determine that it now contains 1/32nd the amount of carbon 14 it contained when alive. How old is the jawbone? Show your work
You discover that the fresh mud that the dinasour stepped in had just been covered with a thin layer of volcanic ash, You study the amount of potassium -40 and argon-40 in the ash. The ration shows that 1/10 of one potassium -40 half life has passed since the footprint was made. The half life for potassium -40 is 1.3 billion years. How old is the footprint. Show your work.
Radio active dating
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Re: Radio active dating
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