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DerKrebs
[107]
3 years ago
15
he half-life of the radioactive element unobtanium dash 43 is 5 seconds. If 80 grams of unobtanium dash 43 are initially prese
nt, 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.
Mathematics
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answer:
Sati
[7]
3 years ago
8
0
40, 20, 10, 5, 2.5......
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