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half life questions

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rchuloholla

Probationary Status
10+ Year Member
Jun 19, 2006
287
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  1. Pre-Dental
  • #2
      • If material X had a half life of 2 years and 8 years has passed, what fraction of the material is left?

      the answer is 1/16

      first half year: 1/2 (2 years)
      second half year: 1/4 (4 years)
      third half year: 1/8 (6 years)
      fourth half year: 1/16 (8 years)

      just use ur fingers for half life.. the questions are almost always str8 forward for half life..

      GOOD LUCK! :D
       
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