What is the age of a sample of charcoal in which 90% of the carbon-14 originally present has decayed?

Q: The radioactive element​ carbon-14 has a​ half-life of 5750 years. A scientist determined that the…

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Q: A wooden artifact from an ancient tomb contains 30 percent of the carbon-14 that is present in…

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Q: 7. Traces of burned wood along with ancient stone tools in an archeological dig in Chile were found…

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Q: The radioactive element​ carbon-14 has a​ half-life of 5750 years. A scientist determined that the…

A: The radioactive element​ carbon-14 has a​ half-life of 5750 years, then the decay constant λ by…

Q: 2. A certain radioactive substance decays half of itself every 5 days. Initially, there are 50…

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Q: The charcoal from a tree killed in the volcanic eruption that formed Crater Lake in Oregon contained…

A: The half-life of carbon-14 is 5700 years. The decay constant, k is defined to be

Q: A wooden artifact from an ancient tomb contains 30 percent of the carbon-14 that is present in…

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Q: What is the Radioactive decay?

A: Radioactive decay is the process in which an unstable atomic nucleus goes into the breakdown of…

Q: A wooden artifact from an ancient tomb contains 60 percent of the carbon-14 that is present in…

A: Please refer to the image below

Q: A hundred years passed, and my brother and I discovered the new avatar, an air bender named Aang.…

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Q: The oldest known frozen human mummy, discov-ered in the Schnalstal glacier of the Italian Alps in…

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Q: The oldest known frozen human mummy, discovered in the Schnalstal glacier of the Italian Alps in…

A: The half-life of carbon-14 is 5730 years. Let at the initial point there was P amount of carbon.…

Q: If half a certain amount of radium decays in 1600 years. What percentage of the original amount will…

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Q: carbon-14? The decay​ rate, k, of​ carbon-14 is

A: The general exponential function of decaying is given as: A=A0e-kt where A is present amount Aο is…

Q: An artifact was found and tested for its carbon-14 content. If 70% of the original carbon-14 was…

A: Recall the radioactive decay formula as follows. A=A02-thA is the final amountA0 is the initial…

Q: It was predicted that a country will have an elderly population​ (65 and​ older) of 7,613,000 in…

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Q: A 3750-year-old wooden chest is found by archaeologists. What percentage of the original 14C would…

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Q: The radioactive element​ carbon-14 has a​ half-life of 5750 years. A scientist determined that the…

A: The radioactive element​ carbon-14 has a​ half-life of 5750 years. A scientist determined that the…

Q: A wooden artifact from an ancient tomb contains 55 percent of the carbon-14 that is present in…

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Q: When analyzing wood found in an Egyptian tomb, scientists determined that the wood contained 35% of…

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Q: A Geiger counter registers a count rate of 8,000 counts per minute from a sample of a radioisotope.…

A: Solution: from 8000 to 20002 full half-life needed (8000->4000->2000)

Q: 4.A radioactive substance loses 3% of its substance every 5 years. What is the half-life of this…

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Q: A certain substance decays so that each year 92% of the previous year's material is still present.…

A: A substance decay such that each year 92% of the previous year's material still remains. So, 8% of…

Q: A wooden artifact from an ancient tomb contains 55 percent of the carbon-14 that is present in…

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Q: Radiocarbon dating is effective on specimens up to​ 40,000 years old. In 1951​, a nuclear chemist…

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Q: Radioactive C14 undergoes exponential decay with a half-life of 5730 years. What is the decay…

A: The decay constant (λ) of a radioactive nuclide is its probability of decay per unit time. The…

Q: A wooden artifact from an ancient tomb contains 35 percent of the carbon-14 that is present in…

A: The question is exponential function based and we can identify it as we are given the half life. We…

Q: If 10% of a radioactive substance decays after 33 years. How much will remain after 200 years?

A: Let in starting the radioactive substance = No And after t time it becomes N

Q: According to the National Statistics Office report, The Philippines has a total population of…

A: The Malthusian Model is given by  Pt=P0ert Where P0=P0 is the initial population size. r: Population…

Q: (b) During which time period was the fertility rate increasing most rapidly? most slowly?

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Q: The frozen remains of a young Incan womanwere discovered by archeologist Johan Reinhard on Mt.…

A: The standard exponential decaying model is given as y(t)=y0e-kt. To find the value of…

Q: (a) How much of the initial sample will be left in the sample after 15 years? (b) How long will it…

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Q: A wooden artifact from an ancient tomb contains 20 percent of the carbon-14 that is present in…

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Q: The radioactive element carbon-14 has a half life of 5750 years. A scientist determined that the…

A: Given:The radioactive element carbon-14 has a half-life of 5750 years and the bones from a mastodon…

Q: A wooden artifact from an ancient tomb contains 35 percent of the carbon-14 that is present in…

A: Radioactive decay

Q: An artifact is discovered at a certain site. If it has 52% of the carbon-14 it originally contained,…

A: Topic:- exponential decaying function

Q: If the present population (x = 0) is 9000, what population size is expected in 144 years?

A: Given dervitative function - dNdx = -400x+256where,N = number of total school population.x = number…

Q: The half -life of carbon-14 is 5,730 years. Suppose a fossil is found with 20% as much of its…

A: Given that the half-life of carbon-14 is 5,730 years. So, h=half life=5730 Let the initial amount=P=…

Q: A wooden artifact from an ancient tomb contains 60 percent of the carbon-14 that is present in li…

A: The solution is given below

Q: The frozen remains of a young Incan woman were discovered by archeologist Johan Reinhard on Mt.…

A: Given,The Body of the woman is found in year 1995.

Q: A breeder reactor converts relatively stable uranium-238 into the isotope plutonium-239. After 15…

A: Given:             dAdt=k 0.043% of total amount has disintegrated :              =100-0.043%…

Q: If 10% of a radioactive substance decays after 33 years how much will remain after 200 years?

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Q: in 1991, the body of a man was found melting in the snow of the alps of northern italy. an…

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Q: A sample of a newly discovered element, West Virginium, has been discovered. A 648 mg sample has…

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Q: 16,830 people work in a particular occupation at the present time. The number of people working in…

A: Given:- in present time No. Of worker are= 16830 No. Of people decreasing per year are= 0.2%

Q: A new car that sells for $19,000 depreciates (decreases in value) 21% each year. What is the decay…

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Q: A radioactive isotope, selenium, used in the creation of medic has a half-life of 119.77 days. If…

A: In order to calculate the mass of selenium after 20 days, we need to use the formula of radio active…

Q: A wooden artifact from an ancient tomb contains 60 percent of the carbon-14 that is present in…

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Q: A sample of an isotope decayed to 77.3% of its original amount after one year. What is the half-life…

A: Radioactivity phenomena follow first kinetics: so,    Rate=kA1      k=constant by solving this…

Q: ), what is the predicted biomass for the year 2020? (Ro

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.