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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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MatroZZZ [7]
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3. Given: If a number is divisible by 4, then the number is divisible by 2. 12 is divisible by four.
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SOLUTION:
If p → q is a true statement and p is true, then q. Here, a number divisible 4 is divisible by 2 also and 12 is divisible by 4. So, 12 is divisible by 2 is a valid statement by the Law of Detachment.
ANSWER:
valid; Law of Detachment
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ANSWER:
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8 0
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