The radioactive element Carbon-14 has a half-life of approximately 5730 years. A fossil is a measure to have lost 20% of its Carbon-14. Determine the age of the fossil to the nearest year.

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

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Q: A wooden artifact from an ancient tomb contains 45 percent of the carbon-14 that is present in…

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Q: The​ half-life of radium is 1690 years. If 80 grams are present​ now, how much will be present in…

A: We have given the half life of radium is 1690 years.And the present amount of radium is 80 grams…

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

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Q: If there were originally 500 grams of carbon-14 originally, how much carbon-14 would remain after 10…

A: In each half life , amount becomes half of the previous one. It means that, after each half life the…

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

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Q: The radioactive element polonium-210 has a half-life of 138 days. If you have 100 micrograms of…

A: The half-life equation for radioactive decay is:

Q: A radioactive substance has a half-life of 29 years. What percent remains 80 years after being to…

A: We will find the remains after 80 years in percentage.

Q: A wooden artifact from an ancient tomb contains 45 percent of the carbon-14 that is present in…

A: A wooden artifact from an ancient tomb contains 45 percent of the carbon-14 that is present in…

Q: The radioactive element Carbon-14 has a half-life of approximately 5730 years. A fossil is measure…

A:

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: The half-life of Radium-226 is 1590 years. If a sample contains 300 mg, how many mg will remain…

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Q: A wooden artifact from an ancient tomb contains 25 percent of the carbon-14 that is present in…

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Q: A chemical substance has a half-life of 5 hours.how much of a 82-gram sample remains after 12 hours?…

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Q: The half-life of carbon-14 is about 5730 years. a. Complete the table, which shows the amount of…

A: .

Q: A wooden artifact from an ancient tomb contains 40 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: 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…

A:

Q: A wooden artifact from an archaeological dig contains 70 percent of the Carbon-14 that is present in…

A: Given:wooden artifact=70% of carbon-14half-life of carbon-14 =5730 yearswe know that radioactive…

Q: According to Statistics Canada, in Grimshaw, Alberta, the population is declining Between 2001 and…

A: Solution

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Q: Find the half-life (in hours) of a radioactive substance that is reduced by 1515 percent in 6060…

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

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Q: A radioactive isotope, selenium, used in the creation of medical images of the pancreas, has a…

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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: The radioactive element Carbon-14 has a half-life of approximately 5730 years. A fossil is measured…

A:

Q: The radioactive element Carbon-14 has a half-life of approximately 5730 years. A fossil is measure…

A: Given : Half life of carbon- 14 is 5730 years

Q: The half-life of radioactive radium (226Ra) is 1599 years. What percent of a present amount of…

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Q: An isotope has a half-life of 98 years. How much of a 16-gram sample is left after 150 years?

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Q: After 100 years, 1/32 of the original amount of a substance remains. What is the substance…

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Q: a radioactive isotope, selenium, used in the creation of medical images of the pancreas, has a…

A: To use the exponential model of radioactivity to determine the required amount of substance

Q: Complete the table for the radioactive isotope. Isotope 226Ra, Half Life (In years) 1599, Initial…

A: Given,  Isotope 226Ra, Half-Life (In years) 1599, Initial Quantity 20g Let y represent the mass in…

Q: In the year 2005, a picture supposedly painted by a famous artist some time after 1855 but before…

A:

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A: Given,element with mass = 510 gramsdecay rate = 26.3% per minuteour aim is to find how much of the…

Q: Find the half-life (in hours) of a radioactive substance that is reduced by 5 percent in 15 hours.

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Q: Find the half-life (in hours) of a radioactive substance that is reduced by 10 percent in 90 hours.

A: Half-life = 0.693/(Decay constant)

Q: The population of the Norway doubled in the last 12 years from 1995 to 2007. Assuming the rate of…

A: According to question,Population of Norway doubled in 12 years from 1995 to 2007.

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

A:

Q: A chemical substance has a half-life of 5 hours.How much of a 107-gram sample remains after 12…

A: In this question we have to find sample remain after 12 hour. Formula used N=N0*(1/2)^t/t1/2

Q: A wooden artifact from an archaeological dig contains 80 percent of the Carbon-14 that is present in…

A: Given that a wooden artifact from an archaeological dig contains 80 percent of the Carbon-14 that is…

Q: A certain radio isotope has a half-life of 12 years. Find the mass that remains from a 220mg sample…

A: Half life = 12 yrs 220 mg is the initial mass Therefore decay constant = ln2 / half- life

Q: The half-life of Cobalt-56 is 77.27 days. If a sample contains 460 mg, how many mg will remain after…

A: Half-lifeA=Ao. 12n whereA- The mass of the substance that remains Ao- Initial massn= ratio between…

Q: The half life of radium is 1690 years. if 50 grams are present now,how much will be present in 520…

A:

Q: An element with mass 490 grams decays 28.6% per minute. How much of the element is remaining after…

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Q: After 25 years, 60% of a radioactive substance still remains in a 20 gram sample. What is the…

A: Half life of a radio active material is the time required to reduce the initial quantity to its…

Q: A wooden artifact from an archaeological dig contains 90 percent of the Carbon-14 that is present in…

A: Formula used:

Q: The half-life of a radioactive material is about 34.2 years. How much of the material is left after…

A:

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: The halflife of Radium-226 is 1590 years. If a sample contains 500 mg, how many mg will remain after…

A:

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

A: