8 ms·

What's not clear about it? They die at a steady rate of 25% per 7 years.

• bahadden 15y ago
  So they have a quarter-life of 7 years?
• bmm6o 15y ago
  As reemrevnivek explains, the answer to "25% of what?" is the issue here. An exponential decay can be described with the same words.
  • pyninja 15y ago
    Sorry, I didn't think of the second interpretation.
  • erikpukinskis 15y ago
    There's a freaking graph. Are we really being this pedantic that we can't understand what he's saying?
    • bmm6o 15y ago
      I discovered when I got home that the graph was blocked by my office's web filter. Definitely makes more sense with it there. Thanks for your understanding!
    • idlewords 15y ago
      You must be new here!