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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# 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