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Determine decimal fraction of C-14 remaining:
43.3 / 58.2 = 0.744
Determine how many half-lives have elapsed
(1/2)n = 0.744
n log (1/2) = log (0.744)
n = 0.42
Determine length of time elapsed:
5715 yr X 0.42 = 2438.16
Solution
Determine decimal fraction of C-14 remaining:
43.3 / 58.2 = 0.744
Determine how many half-lives have elapsed
(1/2)n = 0.744
n log (1/2) = log (0.744)
n = 0.42
Determine length of time elapsed:
5715 yr X 0.42 = 2438.16

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Determine decimal fraction of C-14 remaining 43.3 58.2 = 0.74.pdf

  • 1. Determine decimal fraction of C-14 remaining: 43.3 / 58.2 = 0.744 Determine how many half-lives have elapsed (1/2)n = 0.744 n log (1/2) = log (0.744) n = 0.42 Determine length of time elapsed: 5715 yr X 0.42 = 2438.16 Solution Determine decimal fraction of C-14 remaining: 43.3 / 58.2 = 0.744 Determine how many half-lives have elapsed (1/2)n = 0.744 n log (1/2) = log (0.744) n = 0.42 Determine length of time elapsed: 5715 yr X 0.42 = 2438.16