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  • 07-01-2018
  • Mathematics
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Can someone help me ASAP please

Can someone help me ASAP please class=

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Аноним Аноним
  • 07-01-2018
After one half life it  i s 130/2 = 65 g 

after another 2 half lives  it will be 65*1/2^2 =  16g to nearest gram
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