« previous next »

Author Question: ) If the half-life of carbon-14 is about 5,730 years, then a fossil that has one (Read 730 times)

penguins

  • Hero Member
  • *****
  • Posts: 903
on: Jul 12, 2013
) If the half-life of carbon-14 is about 5,730 years, then a fossil that has one-sixteenth the normal proportion of carbon-14 to carbon-12 should be about how many years old?
A) 1,400
B) 2,800
C) 11,200
D) 16,800
E) 22,900


Millan

  • Sr. Member
  • ****
  • Posts: 368
Reply #1 on: Jul 13, 2013
I know it's E, we did this last month ;)


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

penguins

  • Hero Member
  • *****
  • Posts: 903
Reply #2 on: Jul 18, 2013
Thank you, thank you!!


« previous next »
 

Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

Did you know?

The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").

Did you know?

In 1864, the first barbiturate (barbituric acid) was synthesized.

Did you know?

Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.

Did you know?

Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

Exponential growth in the Canadian migratory population of the whooping crane after 70 years of cons Exponential growth in the Canadian migratory population of the whooping crane after 70 years of cons
Monkeys and apes such as this chimpanzee can be recognized in the fossil record by the anatomy of th Monkeys and apes such as this chimpanzee can be recognized in the fossil record by the anatomy of th
This cover of Life (1925) offered a stereotypical rendering of the new generation: a young couple .. This cover of Life (1925) offered a stereotypical rendering of the new generation: a young couple ..
Jan de Heem, Still Life with Lobster. Jan de Heem, Still Life with Lobster.
Life Expectancy in Developing Countries Life Expectancy in Developing Countries
Forms of carbon dioxide in the blood Forms of carbon dioxide in the blood
Video: The 4 steps of translation Animation

For a complete list of videos, visit our video library