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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. 6 B. 7 C.
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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. 6
B. 7
C. 5
D. 4​

User Jonathan Lebrun
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3 votes

Answer: D

Step-by-step explanation:

User JessGabriel
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