A wooden artifact from an ancient tomb contains 20 percent of the carbon-14 that is present in living trees. How long ago, to the nearest year, was the artifact made? (The half-life of carbon-14 is 5730 years.) Preview years. Get help: Video

Q: Find the age of a fossil that has 1/4 of its carbon 14 remaining. (k= -0.00012). Round to the…

A: A=Pekt a fossil that has 1/4 of its carbon 14 remaining so take A=P4 and here k=-0.00012

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: During each hour, an exhaust fan removes 15.0% of the carbon dioxide present in the air in a room at…

A: Solution :  Given that  Decreasing rate  r = 15.0% = 15/100 = 0.15  Number of hours  n = 10.0 hours

Q: A scientist begins with 225 grams of a radioactive substance. After 300 minutes, the sample has…

A:

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: The half-life of radium is 1690 years. If 40 grams are present now, how much will be present in 690…

A: Given: The half-life of radium is 1690 years. if 40grams are present now.

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: You have 128 grams of a radioactive kind of strontium. If its half-life is 51 days, how much will be…

A: ln e= 1 ln ab=b ln a

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

A:

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

A:

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

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: If radio active carbon-14 has a half -life of 5750 years ,what will remain of one gram after 3000…

A: The formula for the half-life is given by Nt=N012tt12 where N(t) is the amount of substance…

Q: The half-life of radium is 1690 years. If 30 grams are present now, how much will be present in 140…

A:

Q: The half-life of radium is 1690 years. If 80 grams are present now, how much will be present in 710…

A: Formula for decay A(t)= Aoekt Given Ao=80

Q: The half-life of radium is 1690 years. If 30 grams are present now, how much will be present in 570…

A: We have to finds the remaining amount

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

A: Solution

Q: 355 If a relic contains 90% as much radiocarbon as new material, can it have come from the time of…

A: Given that: Radiocarbon contain = 90% radiocarbon of new material Half-life = 5730 years To…

Q: he​ half-life of​ carbon-14

A: Given, the​ half-life of​ carbon-14 is 5600 years. If a piece of charcoal made from the wood of a…

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

A:

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

A: We know the half life formula:Nt=N012tt1/2Where Nt=Amount after t years.          N0=Initial Amount.…

Q: The population of a country doubles in 50 yrs. How many years will it be 7 times as much?

A: The population of country becomes double in 50 years.

Q: Find the half-life of an element which decays by 3.42% each day.

A:

Q: The half-life of radium is 1690 years. If 80 grams are present now, how much will be present in 360…

A: Given query is to find the amount remaining after 360 years.

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

A:

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

A: We have given that a wooden artifact tomb contains 25 percent of the carbon-14 that is present in…

Q: act from an ancient tomb contains 40 percent of the carbon-14 that is present in w long ago, to the…

A: I have appended the formula used in the solution part

Q: A nurse gives a patient 800 mg of medicine at 10:00 a.m. If the half life of the medicine is 3…

A:

Q: ou have 5,280 grams of a radioactive kind of tin. How much will be left after 516 days if its…

A: ln e=1 ln ab= b ln a

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: - The population of a country doubles in 82 yrs. How many years will it be five times as much?

A: We have to solve given problem:

Q: In april 1986, the worlds worst nuclear power disaster occurred at chernobyl in the former USSR. An…

A:

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

A:

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

A: The half life is 5750 years. Amount of carbon-14 lost is 28%.

Q: The half-life of Radium-226 is 1590 years. If a sample contains 400 mg, how many mg will remain…

A:

Q: How old is skeleton that has lost 55% of its carbon-14? The half-life of carbon-14 is 5700 years.…

A: Given that The half-life of carbon-14 is 5700 years To find How old is skeleton that has lost 55% of…

Q: The population of a country doubles in 81 yrs. How many years will it be five times as much?

A: Let 'P' be the number of population then dPdt = KP∫dPP =∫ KdtIn P = Kt +c ......(1)When t = 0  ; P =…

Q: The half life of radium is 1690years. If 59 grams are present now, how much will be present in 60…

A: Let A(t) be the amount remaining in t years, then

Q: Human hair from a grave in Africa proved to have only 91% of the carbon 14 of living tissue. When…

A: Given:

Q: Click all equations that are Exponential decay. *

A: We know that,         The equation in exponential decay function is given by             y=a1-rx ;…

Q: The half-life of Radium-226 is 1590 years. If a sample contains 200 mg, how many mg will remain…

A:

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 a radioactive isotope is 70 years. If 150 grams of the isotope is originally…

A: Since you have asked multiple question, we will solve the first question for you. If youwant any…

Q: The half-life of a radioactive kind of niobium is 87 hours. How much will be left after 348 hours,…

A:

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

A:

Q: The half-life of radium is 1690 years. If 50 grams are present now, how much will be present in 580…

A: Since it is given that half-life of radium is 1690 years.Our aim is to calculate that how much…

Q: The half-life of radium is 1690 years. If 80 grams are present now, how much will be present in 240…

A:

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

A:

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: The half-life of radium is 1690 years. If 90 grams are present now, how much will be present in 370…

A:

Differential Equations

Have you ever observed the movement of the satellites and rockets or how the planets go around the sun in their orbits? How will you determine their motion? Definitely they follow some scientific laws and these kinds of problems are framed as differential equations.