A radioactive substance decays exponentially. A scientist begins with 170 milligrams of a radioactive substance. After 19 hours,

Question

A radioactive substance decays exponentially. A scientist begins with 170 milligrams of a radioactive substance. After 19 hours, 85 mg of the substance remains.

How many milligrams will remain after 29 hours? 
... mg

Give your answer accurate to at least one decimal place.

Kunduz · Accepted Answer

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