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Type the correct answer in the box. Use numerals instead of words. What percentage of a radioactive substance remains after two half-lives?.
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Type the correct answer in the box. Use numerals instead of words. What percentage of a radioactive substance remains after two half-lives?.

User Clay Nichols
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1 Answer

3 votes

Answer:

25%

Explanation:


(1/2)^2=1/4 \\ \\ (1)/(4) * 100=25\%

User Frank Spin
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