Ask Question
13 January, 21:12

A radioactive substance decays exponentially. A scientist begins with 130 milligrams of a radioactive substance. After 24 hours, 65 mg of the substance remains. How many milligrams will remain after 45 hours?

+2
Answers (1)
  1. 14 January, 00:53
    0
    N (t) = N∗.5t/h where n (t) is amount of substance left, N = initial amount, t = current time, and h = half-life time. h = 24 hours t = 45 hours, N = 130mg

    therefore, N (t) = 130∗.545/24=35.44mg
Know the Answer?
Not Sure About the Answer?
Find an answer to your question ✅ “A radioactive substance decays exponentially. A scientist begins with 130 milligrams of a radioactive substance. After 24 hours, 65 mg of ...” in 📘 Mathematics if you're in doubt about the correctness of the answers or there's no answer, then try to use the smart search and find answers to the similar questions.
Search for Other Answers