If the half-life of uranium-235 is 700 million years and you have 16 atoms of it, how many half-lives (700-million-year units of

If the half-life of uranium-235 is 700 million years

and you have 16 atoms of it, how many half-lives
(700-million-year units of time) will pass before only
1 atom of uranium-235 is left?
A. 7
B. 6
C. 5
D. 4
SUBMIT


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