kekoanabor19
23.11.2020 •
Physics
Use the graph to answer the questions.
What is the half-life of isotope X? 25 seconds
How many radioactive atoms of isotope X are left after 3 half-lives? 13
How many half-lives must have occurred if only 7 atoms of isotope X are left? 4
There's the answers, thank me later
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Ответ:
For him being such a fat bear, it would have taken alot of work
Explanation: