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If 40% of a radioactive substance remains after 20 years, what is the half-life of the substance?
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If 40% of a radioactive substance remains after 20 years, what is the half-life of the substance?

User Aalok Sharma
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2 Answers

5 votes

Answer:

it would be 176hrs of half life

User Harminder Singh
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5 votes

Answer:

192 Hr

Explanation:

User Ricardo Zanini
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