If a rock containing U-238 initially reads 78.8 counts per minute on a Geiger counter, what will ...

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If a rock containing U-238 initially reads 78.8 counts per minute on a Geiger counter, what will its reading be 8 weeks later?

Answer 1

Answer #1

-13 -238xiő eca u¥ , U238.ha half-lite Perio dol 4468mali.m

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Answer 2

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