The half life of a radioactive element is 20 days. How many days will it take for the radioactive sample to decay to 1/8 its size?

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asked May 26, 2023 152k views

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Hayden Passmore · Answer 1 · 2023-05-30T06:34:23+0000

Answer: 40 days

Explanation: The substance completely disintegrates in 20 days the substance completely disintegrates in 40 days 1/8 part of the mass of the substance will be left intact at the end of 40 days.

The half life of a radioactive element is 20 days. How many days will it take for the radioactive sample to decay to 1/8 its size?

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