3. An artifact contains 25% of the Carbon-14 that it originally had. How long ago was the artifact made? (The half-life of C-14 is 5730 years, round your answer to the nearest year).

Q: Suppose a scientist has a fossil sample with 140 g (grams) of carbon-14. If its original amount of…

A:

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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: A wooden artifact from an ancient tomb contains 60 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: A sample of a newly discovered element, West Virginium, has a half-life of 425 years. How long will…

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Q: Suppose you have a cache of radium, which has a half-life of approximately 1590 years. How long…

A: Given: Half-life of radium = 1590 years To find: Time taken to disappear 1/4 of the radium. Formula…

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A:

Q: Suppose you have a cache of radium, which has a half-life of approximately 1590 years. How long…

A: Given that Half life of radium is 1590 years To find How long would you have to wait for 1/8 of it…

Q: Suppose a sample of a radioactive substance weighs 30 mg. One year later, the sample weighs 27.5 mg.…

A: Since, it is given that a sample of substance weighs 30 mg. After one yearlater the sample weighs…

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: (2) The half-life of titanium-44, a radioactive isotope, is 63 years. If a substance starts out with…

A: Here, we are going to solve question number 2 and for the remaining question post the question…

Q: The half-life of a certain radioactive substance is 9 years.  What is the yearly decay factor? Round…

A: The formula for exponential decay or growth function is given by: A = A0ekt Here, A = final amount…

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

A:

Q: A sample of a newly discovered element, West Virginium, has a half-life of 170 years. How long will…

A: We have to find the time required.

Q: Wood deposits recovered from an archaeological site contain 18% of the C-14 they originally…

A:

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

A: I have stated the used formula in the solution.

Q: 1. A sample of einsteinium-252 decayed to 64.3% of its original mass after 300 days. a) What is the…

A: Let 100 be the original mass 64.3% of 100 is  64.3100 of 10064.3100·100=64.3 Now we find out decay…

Q: A wooden artifact from an ancient tomb contains 40 percent of the carbon-14 that is present in…

A:

Q: The half-life of Carbon-14 is 14 years. How much of an initial 143 g sample will remain after 43…

A: use t half formula

Q: A sample of radium metal has a weight of 1.5 mg and a half-life of approximately 6 years

A: sample of radium metal has a weight of 1.5 mg and a half-life of approximately 6 years

Q: Wood deposits recovered from an archaelogical site contain 30% of the C-14 they originally…

A: According to the given information,

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

A:

Q: A bank offered 1 3/4% interest on savings accounts compounded continuously. -How much is a $5,000…

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Q: The half-life of a radioactive radium is 1650 * years, what percentage of the amount present now…

A: Here first we find rate of decay rate using half life formula t12=-1rln12wheret12=half lifer= decay…

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

A: Given, Initial quantity of carbon-14=N(0)= 100% Quantity of C-14 remaining=N(t)= 30% Half-life of…

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

A: We have to find how long ago, to the nearest year, was the artifact made.

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

A:

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

A: Given:-Carbon contains 60% of its initial value  First we find the vale of decay rate from half time…

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A: Radioactive element decay rate.

Q: suppose a sample of a certain substance decayed to 77.2% of its original amount after 300 days. (two…

A: Let t        = time in daysN(t)  =remaining quantity of certain substance at any time 't'No…

Q: Suppose a sample of a certain substance decayed to 73.6% of its original amount after 300 days.…

A:

Q: 2 yeas ago there was 9 grams of radioactive substance. Currently, there are only 4 grams.  1) How…

A: Given problem is : 2 yeas ago there was 9 grams of radioactive substance. Currently, there are only…

Q: practice question 18

A: P0= Initial amount = 2700r= interest rate = 6.8% =0.068t= time = ?P(t)= Final amount = 2700 times 2=…

Q: If 275 mg of a radioactive element decays to 200 mg in 48 hours, what is its half-life?

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Q: Radium decomposes at the rate proportional to the present amount. If the half- life is 1600 years,…

A:

Q: A wooden artifact from an ancient tomb contains 40 percent of the carbon-14 that is present in…

A:

Q: 22)  A linen artifact found in a crypt contains 95 percent of the carbon-14 that is present in…

A: Given that: Half life of carbon=5730 yearsPercentage of carbon present=95%

Q: How many half lives must have passed for an isotope with a half life of 10 years to decay from 1600…

A:

Q: Only 25% of the carbon-14 in a wooden bowl remains. How old is the bowl? (Carbon-14 has a half-life…

A:

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

A: For the given wooden artifact which contains 25 % of C-14 half life is 5730 years  Number of years…

Q: An article on the "Iceman" stated that the frozen corpse was 5,000 to 5,500 years old. Assuming the…

A: Given data: The given time is t=5,200 years. The given half lifetime is t1/2=5,730. The expression…

Q: Suppose a radioactive substance has a half-life of 1000 years. What fraction will be leftafter 1000…

A: Given that the half life is 1000 years. This means 1/2 of the the original amount is left after 1000…

Q: Suppose a sample of a certain substance decayed to 79.6% of its original amount after 300 days.…

A:

Q: Suppose you have a cache of radium, which has a half-life of approximately 1590 years. How long…

A: The radioactive decay is modelled using the equation, N(t)=N0e-kt. Here, N(t) is the amount of…

Q: A wooden artifact from an ancient tomb contains 50 percent of the carbon-14 that is present in…

A:

Q: Suppose you have a cache of radium, which has a half-life of approximately 1590 years. How long…

A: Given, you have a cache of radium, which has a half-life of approximately 1590 years.

Q: Suppose a sample of a certain substance decayed to 65.2% of its original amount after 300 days.…

A: Given: Substance decayed to 65.2% of its original amount after 300 days

Q: 21. Strontium-87 is used in the study of bones. After one hour, 78.1 mg remains of a 100 What is the…

A: Radioactive decay follows the first-order kinetics. To calculate the half-life of Strontium-87 first…

Q: How much of a radioactive kind of tungsten will be left after 363 days if the half-life is 121 days…

A:

Contingency Table

A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.

Binomial Distribution

Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.