Mathematics, 04.02.2021 19:20, Emmarazek

The half-life of hellum 5 is 76 x 1022 seconds, and the half-life of hellum 9 15 7 x 1021 seconds. Approximately how many times greater is the half-life of hellum-9 than that of hellum-5?
A.2 times
B.7 times
C.9 times
D.11 times

Answers: 3

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The half-life of hellum 5 is 76 x 1022 seconds, and the half-life of hellum 9 15 7 x 1021 seconds. Approximately how many times greater is the half-life of hellum-9 than that of hellum-5? A.2 times B.7 times C.9 times D.11 times

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The half-life of hellum 5 is 76 x 1022 seconds, and the half-life of hellum 9 15 7 x 1021 seconds. Approximately how many times greater is the half-life of hellum-9 than that of hellum-5?
A.2 times
B.7 times
C.9 times
D.11 times