Chemicals analysis of a woodchip assumed to be from a tree that died during the ruption has shown that it contains approximately 40% of its original carbon 14 estimate how long ago the volcanic eruption occurred. (round your answer to the nearest year.)

Q: This exercise uses the radioactive decay model. The burial cloth of an Egyptian mummy is estimated…

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Q: The population of a certain island has an annual growth rate of 6.9%. If you start with a…

A: We can solve this as below

Q: A sample originally contains 16 grams of a radioactive isotope. After 36 days, 14.8 grams of the…

A: Given initial amount(N0) = 16 g  after 36 days it becomes (N) = 14.8 g To find : half time

Q: The half-life of Radium-226 is 1590 years. If a sample contains 100 mg, how many mg will remain…

A: Formula: N(t)= No(1/2)t/t1/2 No = initial quantity N(t)= remaining quantity t= time t1/2= half life

Q: carbon-14 has a half-life of 5730 years. a fossil is found that has 26% of the carbon-14 found in a…

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Q: MY NOTES ASK YOUR TEACHER PRACTICE A This exercise uses the radioactive decay model. A wooden…

A: A wooden artifact contains 70% of the carbon-14.

Q: odine-131 is a radioactive form of iodine. After the crisis at a Japanese nuclear power plant in…

A: Let, I be the initial amount of the radioactive substance. Then the half life of this radioactive…

Q: ation of a city is estimated to be declining according to the model P(t) = 25- del predict the…

A: The population of a city is estimated to be declining by the model,  P(t)=25400e-0.01t…

Q: Investments How long, to the nearest year, will it take me to become a millionaire if I invest…

A: Let us assume P=principle= $1000 r= interest rate= 10%= 0.10 t=time in years=? A=annuity = $1000000

Q: Estimating the Age of a Tree A piece of charcoal is foundto contain 30% of the carbon-14 that it…

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Q: use the picture to help with answering the question. Use the half life information from the table…

A: Let the initial amount = PSo the final amount=A=55% of P=0.55PHalf life=T=5730 yearsAge of the…

Q: Determine the half-life of the substance that decays from A, to A in time t. An = 11.3, A = 4.8, t=…

A:

Q: Determine the​ half-life of the substance that decays from A0 to A in time t. A0=44, A=20, t=12…

A: Half-life is the time required to decay a substance to half of its initial amount.

Q: Determine the half-life of the substance that decays from A, to A in time t. A, = 11.8, A = 3.1, t =…

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Q: Half-Life Decay Rate, k 3.7% per year = -0.037

A:

Q: Radioactive Decay The radioisotope, Radium-226, has a half-life of 1600 years. Given an initial…

A:

Q: An artifact originally had 16 grams of​ carbon-14 present. The decay model A=16 e-0.000121t…

A: Decay model

Q: An investment loses 3.1% of its value every week. Find the half-life in this situation. The…

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Q: The population of a certain inner-city area is estimated to be declining according to the model P(1)…

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Q: Julie places a continuous stream of $5, 000 per year into a savings account which has a continuously…

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Q: Part A Which number in the equation indicates the growth rate? O 300 e O 0.75 O time Part B…

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Q: This exercise uses the radioactive decay model. The half-life of strontium-90 is 28 years. How long…

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Q: Dating Sneferu's Tomb A cypress beam found in the tomb of Sneferu in Egypt contained 55% of the…

A: Given that  Dating Sneferu's Tomb A cypress beam found in the tomb of Sneferu in Egypt contained…

Q: Radiocarbon dating is effective on specimens up to 40,000 years old. In 1952, a nuclear chemist was…

A: Given:The chemist  was trying to determine the age of scroll at 1952Carbon-14  has a half-life of…

Q: julie places a continuous stream of $5,000 per year into a savings account which has a continuously…

A: We have to find accumulated value of continous stream of 5000 at rate of 1.1% compounded continously…

Q: This exercise uses the radioactive decay model. The burial cloth of an Egyptian mummy is estimated…

A:

Q: Use the half-life information from this table to work the exercise. Estimate the percentage of…

A: Definition used -             Exponential decay -                     N(t)=N0e-kt

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

A:

Q: Half-Life 19.8 days Decay Rate, k

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Q: Use the approximate​ half-life formula for the case described below. Discuss whether the formula is…

A: Given that the initial population = 10000  Decline rate = 7% = 0.07  So the equation for the…

Q: Carbon-14 has a half-life of 5,730 years. A fossil is found that has 18% of the carbon-14 found in a…

A: The required formula is A=P12tt12 where,  A= final amount P=initial amount t=time/age of the fossil…

Q: Use the approximate half-life formula for the case described below. Discuss whether the formula is…

A: Given that, the population of the elephant decline by 8% per year.

Q: When a bactericide was added to a nutrient broth in which bacteria were growing, the bacterium…

A:

Q: Half-life. Radium Ra has a half-life of about 3.6 days. 88 (a) Given 1 gram, how much will still be…

A: Topic:- exponential decaying function

Q: Use the half life information from the table (picture) to work the exercise.   Geologists have…

A: Given:   Geologists have determined that a crater was formed by a volcanic eruption. Chemicals…

Q: The fox population in a certain region has an annual growth rate of 6% per year. In the year 2012,…

A: Given The fox population in a certain region has an annual growth rate of 6% per year. In the year…

Q: Use the exponential decay​ model, A=A0ekt​, to solve the following.   The​ half-life of a certain…

A: The​ half-life of a certain substance is 21 years.  we have to use the exponential decay​ model…

Q: Wood deposits recovered from an archaeological site contain 13% of the C-14 they originally…

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Q: When a bactericide was added to a nutrientbroth in which bacteria were growing, the bacterium…

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Q: This exercise uses the radioactive decay model. A wooden artifact from an ancient tomb contains 70%…

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Q: PRINTER VERSION Chapter 4, Section 4.2, Question 036 A 1987 treaty to protect the ozone layer…

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Q: Use the half-life information from this table to work the exercise. Geologists have determined that…

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Q: (4 points) In the year 2005, a picture supposedly painted by a famous artist some time after 1775…

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Q: An unknown radioactive element decays into non-radioactive substances. In 100 days the radioactivity…

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Q: An artifact originally had 16 grams of carbon-14 present. The decay model A = 16 e -0.0001211…

A:

Q: di 122

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Q: Radiometric dating Researchers determine that a fossilized bone has 30% of the C-14 of a live bone.…

A: Formula for calculating the rate constant of a first order equation is given by - k =…

Q: If 200 mg of radium is reduces to 160 mgof radium in 400 years Write the mathematical model to…

A:

Q: n artifact contains 42% of the Carbon-14 that it originally had. How long ago was the art The…

A: Given the query is to find the age of the artifact.

Q: The amount of carbon-14 present in a paint after t years is given by y yo e00KK12 The paint contains…

A: y=y0 e-0.00012t

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.