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2. A parent isotope has a half-life of 500 000 years. If a rock contained 10 mg of the parent isotope when it formed, how much parent isotope would be left after 1.5 million years?

2. A parent isotope has a half-life of 500 000 years. If a rock contained 10 mg of the parent isotope when it formed, how much parent isotope would be left after 1.5 million years?

Applications and Investigations in Earth Science (9th Edition)
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
Section: Chapter Questions
Problem 1LR
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Which of the following best describe the solution to your final answer in PROBLEM # 2? A. 1/6 * 10 mg B. 1/8 * 10 g C. 1/8 * 10 mg D. 1/8 * 0.1 g The FINAL ANSWER to PROBLEM # 2 is (1 g = 1000 mg): A. 1.25x10-3 mg B. 12.5 grams C. 1.25 grams D. 1.25x10-3 grams E. 1.25 micrograms
A parent isotope has a half-life of 500 000 years. If a rock contained 10 mg of the parent isotope when it formed, how much parent isotope would be left after 1.5 million years? 2.
Transcribed Image Text:A parent isotope has a half-life of 500 000 years. If a rock contained 10 mg of the parent isotope when it formed, how much parent isotope would be left after 1.5 million years? 2.
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