Mathematics, 16.07.2019 11:30 jeffljr2718
Instructions: select the correct answer. the half-life of helium-5 is 7.6 × 10-22 seconds, and the half-life of helium-9 is 7 × 10-21 seconds. approximately how many times greater is the half-life of helium-9 than that of helium-5? 2 times 7 times 9 times 11 times
Answers: 1
the half-life of helium-9 is greater than that of helium-5.Another question on Mathematics
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Instructions: select the correct answer. the half-life of helium-5 is 7.6 × 10-22 seconds, and the h...
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