antionettegipso49 antionettegipso49
  • 25-10-2016
  • Mathematics
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he​ half-life of the radioactive element unobtanium dash 43 is 5 seconds. If 80 grams of unobtanium dash 43 are initially​ present, how many grams are present after 5 ​seconds? 10 ​seconds? 15 ​seconds? 20 ​seconds? 25 ​seconds? The amount left after 5 seconds is nothing grams.

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laylalexis
laylalexis laylalexis
  • 25-10-2016
40, 20, 10, 5, 2.5......
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