Chemistry, 09.12.2021 15:30 kmwise19

Uranium-235 has a half-life of 7.04 x 108 years. How many years will it take for 99.9% of a U-235 sample to decay

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Uranium-235 has a half-life of 7.04 x 108 years. How many years will it take for 99.9% of a U-235 sa...