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Please help with this! 0 Question 7 v A radioactive substance decays exponentially. A scientist begins with 160 milligrams of a radioactive substance. After 17

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Please help with this!

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0 Question 7 v A radioactive substance decays exponentially. A scientist begins with 160 milligrams of a radioactive substance. After 17 hours, 80 mg of the substance remains. How many milligrams will remain after 30 hours? :ng Give your answer accurate to at least one decimal place

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