Arizona State University School of Earth and Space Exploration


Age of the Earth: Answers

Part 1

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    3. Approximately, 1,429 million years old

Part 2

  1. m = 0.065
  2. t = 4435
  3. Earth is 4.435 billion years old

This material is based upon work supported by the National Science Foundation under Grant GEO-0355224. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.