Lishh7311 Lishh7311
  • 22-01-2024
  • Chemistry
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A newly discovered radioactive isotope has a half-life of 30 days. A sample of this isotope is initially 800 grams. How many grams of the isotope remains after 70 days?

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s = ut + 1/2 at2 u = 10 a = -2 t= 1/2
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