
Mark M. answered 11/07/20
Mathematics Teacher - NCLB Highly Qualified
95 = 190 e32k
0.5 = e32k
ln 0.5 = 32k
Use the solutions to previous problem and proceed.
Sara S.
asked 11/07/20A radioactive substance decays exponentially. A scientist begins with 190 milligrams of a radioactive substance. After 32 hours, 95 mg of the substance remains.
How many milligrams will remain after 56 hours?
Mark M. answered 11/07/20
Mathematics Teacher - NCLB Highly Qualified
95 = 190 e32k
0.5 = e32k
ln 0.5 = 32k
Use the solutions to previous problem and proceed.
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