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ivanzaharov [21]
3 years ago
15

Suppose the half-life of a certain radioactive substance is 12 days. Find the time when there will be 20% of the initial substan

ce remaining. Assume you have 1 gram of the original substance.
pls help, it due today
Mathematics
1 answer:
vazorg [7]3 years ago
7 0

Answer: 2.4% I think

12 x 20 / 100 = 2.4%

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