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mayamabjishovrvq9
02.03.2021 •
Mathematics
what is the half-life of the radioactive isotope? what mass of the radioactive isotope will be left after three(3) half-lives?
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Ответ:
Step-by-step explanation:
50000000=3000*2.6^t.
2.6^t=50000÷3
t÷2.6=50000÷3
t=50000*2.6÷3