SOLUTION: A radioactive substance decays exponentially. A scientist begins with 200 milligrams of a radioactive substance. After 19 hours, 100 mg of the substance remains.
How many millig
Algebra.Com
Question 1153655: A radioactive substance decays exponentially. A scientist begins with 200 milligrams of a radioactive substance. After 19 hours, 100 mg of the substance remains.
How many milligrams will remain after 29 hours?
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
Half-life is 19 hours.
----------------------------------------------------
How many milligrams will remain after 29 hours?
----------------------------------------------------
Assuming the beginning was from 0 hours when p was 200 mgs of the substance, question asks for .
RELATED QUESTIONS
A scientist begins with 100 milligrams of a radioactive substance that decays... (answered by stanbon,josmiceli)
A scientist begins with 100 milligrams of a radioactive substance that decays... (answered by josgarithmetic,greenestamps)
A scientist begins with 100 milligrams of a radioactive substance that decays... (answered by greenestamps)
A scientist begins with 100 milligrams of a radioactive substance that decays... (answered by ankor@dixie-net.com)
A scientist has 68 grams of a radioactive substance that decays at an exponential rate.... (answered by stanbon)
A certain radioactive substance decays exponentially and has a half-life of 78 years.... (answered by stanbon)
A radioactive substance has a half-life of 3.5 days. A scientist starts with 80 grams of... (answered by stanbon)
A scientist begins with 250 grams of a radioactive substance. After 250 minutes, the... (answered by Boreal)
A scientist begins with 250 grams of a radioactive substance. After 250 minutes, the... (answered by ankor@dixie-net.com,greenestamps)