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Novay_Z [31]
3 years ago
14

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 tim

es greater is the half-life of helium-9 than that of helium-5?
​
Mathematics
1 answer:
pantera1 [17]3 years ago
5 0

Answer:

9.21 times greater is the answer

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