Mathematics, 28.02.2020 04:16 emilylunaa
The half-life of the radioactive elements unobtanium -41 is 5 seconds. If 48 grams of unobtanium -41 are initially present, how many grams are present after 5 seconds? 10 seconds? 15 second? 20 seconds? 25 seconds?
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The half-life of the radioactive elements unobtanium -41 is 5 seconds. If 48 grams of unobtanium -41...
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