The half-life of radioactive strontium-90 is approximately 31 years. In 1964, radioactive strontium-90 was released into...

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The half-life of radioactive strontium-90 is approximately 31 years. In 1964, radioactive strontium-90 was released into the atmosphere during testing of nuclear weapons, and was absorbed into people's bones. How many years does it take until only 20 percent of the original amount absorbed remains? The half-life of radioactive strontium-90 is approximately 31 years. In 1964, radioactive strontium-90 was released into the atmosphere during testing of nuclear weapons, and was absorbed into people's bones. How many years does it take until only 20 percent of the original amount absorbed remains?

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First we find exponential decay of stonium90 Explanation Exponential decay formula P Po ek... View the full answer