FaZeDawg3495 FaZeDawg3495
  • 02-03-2020
  • Biology
contestada

A radioactive nucleus has a half-life of 4.5 × 10 8 years. Assuming that a sample of rock (say, in an asteroid) solidified right after the solar system formed, approximately what fraction of the radioactive element should be left in the rock today?

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nwandukelechi nwandukelechi
  • 07-03-2020

Explanation:

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