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

25-10-2016

40, 20, 10, 5, 2.5......

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