) A human bone uncovered in a burial site in Majorca, Spain by a student working for the pollentia project with the chemistry and biology department was found to contain 5.55% of the amount of Carbon-14 found in a living being before the burial. Determine the age of the human remain.

Chemistry by OpenStax (2015-05-04)
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Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
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Chapter12: Kinetics
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I just need help with the b but you need a for info.

a) The half-life of Carbon-14, which diminishes by first order radioactive decay, is 5730 years. What are the value and units of the rate constant?

1.2094x10^-4 years

b) A human bone uncovered in a burial site in Majorca, Spain by a student working for the pollentia project with the chemistry and biology department was found to contain 5.55% of the amount of Carbon-14 found in a living being before the burial. Determine the age of the human remain.

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