Mathematics, 16.05.2021 09:20 taylorpayne525p8qxky

Hel, urgent The half-life of a radioactive substance is 11 days. After 12 days a sample of the substance has been reduced
to a mass of 4 mg.

What was the initial mass (in mg) of the sample?

Round your answer to 2 decimal places as needed.

Using your answer from
above, after how many days will there only be 0.6 mg of substance left?

Round your answer to 2 decimal places as needed.
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Hel, urgent The half-life of a radioactive substance is 11 days. After 12 days a sample of the subs...

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