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Info for Bottle Collectors
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Just found a milk bottle dated 1911. I've got many dozens of old bottles, 95% of which have been found at 1. Former bottle dumps. Look just past old fence lines of properties. Back in the old days when all trash was burned, folks would dump their bottles over the fence "out back". If...
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Exponential decay
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The radioactive decay formula is A = A0(1/2)^t/n, where A is the current amoutn of the radioactive sample, A0 is the original amount, t is the elapsed time and n is the length of the half life. The half life of Sodium-24 is 14.9h. A researcher begins with 100mg of sodium-24. What is the... View more questions Search
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