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Orlov [11]
3 years ago
6

The half-life of plutonium-238 is 87.7 years.

Chemistry
2 answers:
Margaret [11]3 years ago
8 0

Answer:

263.1 is exactly three half-life, so the remaining portion is (1/2 x 1/2 x 1/2) of the original sample. That's 1/8 which is 12.5%

kobusy [5.1K]3 years ago
6 0

Answer:

12.5 87.5

Explanation:

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