If a sample of organic material contains 1/8 of the radioactive #"^14C# than a modern day sample and the half-life for #"^14C# is 5,730 years, approximately how old is the order sample of organic material?

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Answer 1 · 2018-04-02T17:36:45

3 half lives or 17,190 years.

# 1/8 = 1/2 xx 1/2 xx 1/2# or three half lives.

each half live is 5730 years ( approximately ) so

# 3 xx 5730 = 17190#