Ask a New Question
Search
Asked by
Pek
A radioactive substance decays exponentially. A scientist begins with 140 milligrams of a radioactive substance. After 21 hours, 70 mg of the substance remains. How many milligrams will remain after 35 hours?
Answers
Answers
Answered by
Pek
How do I set up this problem?
Related Questions
Related
A radioactive substance decays from 2.0kg to 1.6kg in 156 days. What is the decay constant and the...
A radioactive substance decays from 2.0kg to 1.6kg in 156 days. How much will be left after 201 da...
A radioactive substance decays from 2.0kg to 1.6kg in 156 days. How long would it take to decay to...
A radioactive substance decays according to the formula Q(t) = Q0e−kt where Q(t) denotes the amoun...
A radioactive substance decays exponentially in such a way that after 50 years, 60% of the initial a...
a radioactive substance decays 10% in 5 days. The amount remains after 20 days?
A radioactive substance decays to the formula N=8e^-0.6t , where N is the number of milligrams prese...
A radioactive substance decays so that after t years, the amount remaining, expressed as a percent o...