Mathematics, 03.06.2021 18:40 dezmondpowell
The half price of helium-5 is 7.6 X 10 to the power of negative 22 seconds and the half-life helium -9 is 7 x 10 to the power of negative 21-second approximately how many times greater is the half life of helium and -9 then that of helium -5
Answers: 2
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The half price of helium-5 is 7.6 X 10 to the power of negative 22 seconds and the half-life helium...
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