A particular isotope has a half-life of \( 10 \mathrm{~min} \). What does that statement imply a...

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A particular isotope has a half-life of \( 10 \mathrm{~min} \). What does that statement imply about a sample of this type of nucleus?
(A) All of the nuclei will decay in \( 10 \mathrm{~min} \)
(B) All of the nuclei will decay in \( 20 \mathrm{~min} \)
(C) Every time you start with 10 nuclei at the beginning of a 10-min interval, 5 nuclei will be left at the end of the interval.
(D) The expected number of nuclei to decay in \( 10 \mathrm{~min} \) will be one-half the number at the beginning of the \( 10 \mathrm{~min} \).
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