1887

n Learning and Teaching Mathematics - The rule of 72 - a handy one

Volume 2006, Issue 3
  • ISSN : 1990-6811

Abstract

Radioactive decay of certain isotopes means that within any time interval a certain proportion of the isotope converts. No matter how much of the isotope there is, the same percentage decays for any two equal time intervals. The half-life of the isotope is the time required for half of the isotope present at the start of the interval to decay; half-lives can vary from a few minutes up to millions of years.

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/content/amesal/2006/3/EJC20731
2006-02-01
2019-08-18

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