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Cerium-144 is a radioactive isotope with a half-life of 285 days. How lonh would it take for an initial sample of 10 grams of Cerium-144 to decay until only 1 gram remains? a. about 2850 days b. about
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Aug 20, 2019
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Cerium-144 is a radioactive isotope with a half-life of 285 days. How lonh would it take for an initial sample of 10 grams of Cerium-144 to decay until only 1 gram remains?
a. about 2850 days
b. about 513 days
c. about 947 days
d. about 855 days
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Sakthig
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The answer should be C, about 947 days.
Maverick Meerkat
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Aug 27, 2019
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