After 15 years, one fourth of the initial mass of radioactive substance has decayed. b) Evaluate the percentage lost of the substance in 90 years.

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Q: a radioactive decay поас есаy

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A: Here we use half-life to calculate the exponential decay:

Q: The half-life of the plutonium isotope is 24,360 years. If 10 g of plutonium is released into the…

A: Half life of the plutonium isotope is 24,360 years. If 10g of plutonium is released into the…

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