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The half life for the radioactive decay of potassium-40 to argon-40 is 1.26 X 109 years. Suppose nuclear chemical analysis shows that there is 0.359 mmol of argon-40 for every 1.000 mmol of potassium-40 in a certain sample of rock. Calculate the age of the rock. Round your answer to 2 significant digits. I] years [:I xlflD

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The half life for the radioactive decay of potassium-40 to argon-40 is 1.26 X 109 years. Suppose nuclear chemical analysis shows that there is 0.359 mmol of argon-40 for every 1.000 mmol of potassium-40 in a certain sample of rock. Calculate
the age of the rock. Round your answer to 2 significant digits. I] years [:I xlflD

 
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