a) Use the equation A(t) = Aoekt to express the amount of Carbon-14 left from an initial N milligrams as a function of time t in years. (Round k to 6 decimal places or enter an exact value for k.) A(t) = b) What percentage of an original amount of Carbon-14 is left after 24, 000 years? (Round answer to the nearest tenth of a percent) % is left after 24, 000 years c) If an old wooden tool found in a cave contains 44 % of the original amount, approximately how old is the tool, within 10 years? Approximately years old Extension: Radiocarbon dating is not as easy as these exercises might lead you to believe. Research radiocarbon dating and consider discussing with your classmates or instructor why our model is somewhat oversimplified.

a) Use the equation A(t) = Aoekt to express the amount of Carbon-14 left from an initial N milligrams as a function of time t in years. (Round k to 6 decimal places or enter an exact value for k.) A(t) = b) What percentage of an original amount of Carbon-14 is left after 24, 000 years? (Round answer to the nearest tenth of a percent) % is left after 24, 000 years c) If an old wooden tool found in a cave contains 44 % of the original amount, approximately how old is the tool, within 10 years? Approximately years old Extension: Radiocarbon dating is not as easy as these exercises might lead you to believe. Research radiocarbon dating and consider discussing with your classmates or instructor why our model is somewhat oversimplified.

Algebra and Trigonometry (6th Edition)

6th Edition

ISBN:9780134463216

Author:Robert F. Blitzer

Publisher:Robert F. Blitzer

ChapterP: Prerequisites: Fundamental Concepts Of Algebra

Section: Chapter Questions

Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...

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Question

The half-life of the radioactive isotope Carbon-14 (present in all organic materials) is about 5730 years.
a) Use the equation A(t) = Ageht to express the amount of Carbon-14 left from an initial N milligrams as
a function of time t in years. (Round k to 6 decimal places or enter an exact value for k.)
A(t)
=
b) What percentage of an original amount of Carbon-14 is left after 24, 000 years? (Round answer to the
nearest tenth of a percent)
% is left after 24,000 years
c) If an old wooden tool found in a cave contains 44 % of the original amount, approximately how old is
the tool, within 10 years?
Approximately
years old
Extension: Radiocarbon dating is not as easy as these exercises might lead you to believe. Research
radiocarbon dating and consider discussing with your classmates or instructor why our model is somewhat
oversimplified.

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