if the half life of a radiosotope is 10years,starting with 80 atoms of this isotope,how many atoms will be left after 40 years?

1 answer

40 years is 4 half-lives

80 * [(1/2)^4 ] = ?
Similar Questions
    1. answers icon 2 answers
  1. When is an isotope considered stable?_(Select all that apply.)_ The isotope does not emit a form of radiation. The isotope’s
    1. answers icon 0 answers
    1. answers icon 1 answer
  2. Use a calculator to help solve the problem.One isotope of holmium, 162Ho, has a half life of 22 minutes. The half-life of a
    1. answers icon 3 answers
more similar questions