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

Ashatte asked Jul 25, 2023

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Ashatte asked Jul 25, 2023

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25 votes

Answer:

25%

Explanation:

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

Ramsha Omer answered Jul 31, 2023

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