The ratio of strontium-90 remaining, p , as a function of years, t , since the nuclear accident is
Further explanation:
The exponential decay formula can be expressed as follows,
Here, a represents the initial amount, y is the final amount,r is the rate of decay, and x represents the time.
Given:
The rate of decay is
Explanation:
Consider the initial amount of the radioactive substance be .
The final amount of the radioactive substance is
The ratio of decay can be obtained as follows,
The ratio of strontium-90 remaining, , as a function of years,, since the nuclear accident is
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Answer details:
Grade: High School
Subject: Mathematics
Chapter: Exponential decay
Keywords: twenty percent, contaminants, nuclear accident, Chernobyl, strontium-90, exponentially, 2.5% per year, ratio of strontium, p, function of time, radioactive substance, decays, ten years, each year, rate of decay each year, substance.