Asked by Cherry

A radioactive isotope of radium (Ra-226) has a half-live of 1620 years. How much of this isotope remains after three (3) half-lives?
A. 1/2
B. 1/4
C. 1/8***
D. None

9 years ago

Answered by Lily

Correct.

9 years ago

Answered by Cherry

Thanks :)

9 years ago

Answered by Lily

You're welcome. :)

9 years ago

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Asked by Cherry

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