The first laptop ever was sold was the Osborne 1. It came onto the market in 1981, and it had a mass of 11 kg. Suppose that since 1981 the mass of laptops has decreased at an average rate of 4.7% per year. What was the approximate weight of a laptop in 2019?

Q: A vehicle purchased for $22400 depreciates at a constant rate of 5 % . Determine the approximate…

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Q: The half-life of Radium-226 is 10 years. How much of an initial 138 g sample will remain after 49…

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Q: If you start with 65 milligrams of Chromium 51, used to track red blood cells, which has a half-life…

A: N(t)=N0e-tln2h N0=Initial amountt=decay timeh=length of half life Initial amount= N0=65 milligrams…

Q: A population of rabbits grew from 10 to 3000 in 24 months. Determine the doubling rate.

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Q: A machinery depreciated by 40% in the first year, 25 per cent in the second and 10% p.a. during the…

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Q: 1. U.S. oil reserves are estimated at 29 billion barrels, and we currently produce about 6 MBPD. How…

A: Given  Oil reserves =29 billion barrels 1 billion = 1000million  Current production= 6 million…

Q: A machine costing P45,000 is estimated to have a salvage value of 14,350 when retired at the end of…

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Q: Yttirum-90 has a half-life of 64.10 hours. Given an initial mass of 622 grams of the sample, how…

A: Given information Half life t12=64.10 hours And the initial mass m0=622 grams We have to find the…

Q: A vehicle purchased for $20700 depreciates at a constant rate of 8%. Determine the approximate value…

A: The formula for the amount of depreciation of an asset is given by A=V1-rn where A is the amount of…

Q: During a preliminary survey of an asteroid, chemical analysis indicated that a certain radioactive…

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Q: A vehicle purchased for $27500 depreciates at a constant rate of 4%. Determine the approximate value…

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Q: The half-life of Uranium-238 is approximately 4.5(10°) years. How much of a 10 kilogram block of U–…

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Q: If the rate of inflation averages r per annum over n years, the amount A that $P will purchase after…

A: We are authorized to solve only one question, please repost remaining questions Rate of inflation

Q: An element with mass 970 grams decays by 27.7% per minute. How much of the element is remaining…

A: Given that, The mass of the element is 970 grams, which decays by 27.7% per minute. To find: How…

Q: Of an initial amount of 5000 g of lead-210, how much will remain in 120 years? Lead-210 decays at a…

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Q: The half-life of carbon-14 is about 5730 years. If 1 gram of carbon-14 is present in a sample, how…

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Q: The half-life of carbon-14 is 5,730 years. If there are 600 grams of carbon-14 in a tree when it is…

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Q: The number of transistors per IC in 1972 seems to be about 4,000 ( a rough estimate by eye).  Using…

A: Moores law simply states that the number of transistors in integrated chips doubles every two years.…

Q: If the value of Leo’s house goes up from $350,000 to $450,000 in the next 6 years, what was the…

A: Simple Growth percentage in the House value in the 6 years = (450000-350000)/350000 = 0.285714285 ~…

Q: if 8 g of a radioactive substance are present initially and 4 yr later only 4 g remain, how much of…

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Q: he population of greater Lafayette is increasing at a rate of .95% each year. If the population was…

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Q: The half-life of plutonium-241 is approximately 13 years. How much of a sample weighing 4 g will…

A: The half-life of plutonium-241 is 13 years. We have to find how much sample of 4 g will remain after…

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 vehicle purchased for $29800 depreciates at a constant rate of 4%. Determine the approximate…

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Q: A tumor is injected with 0.4 grams of Iodine-125, which has a decay rate of 1.15% per day. To the…

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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: A tumor is injected with 0.9 grams of Iodine-125, which has a decay rate of 1.15% per day. To the…

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Q: The half-life of Radium-226 is 14 years. How much of an initial 143 g sample will remain after 43…

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

A: There is a decay of element at the rate of 28.6% per minute. Initially the mass of element given is…

Q: Calculate Simon's opportunity cost in units of nuts when he increases the production of bolts from…

A: Nuts (units per day) Bolts(units per day) The opportunity cost of increasing the production of bolts…

Q: What is the effective rate of interestequivalent to 5% converted (A)semiannually; (B) quarterly?

A: The annual interest rate is, 5%   Since, the interest rate function is linear with respect to the…

Q: A vehicle purchased for $32500 depreciates at a constant rate of 8%. Determine the approximate value…

A: Answer:let A represents the future valueP represents the present valuer represents the depreciation…

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: if ros increases by 5

A: Dependent variable Independent variable Salary return on equity   annual firm sales   return…

Q: A toxic radioactive substance in the amount of 7 miligrams per square centimeters is detected in the…

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Q: An editorial in the New York Times on Sunday June 4, 2011 dicussed the redesigned fuel economy…

A: given  distance=15,000 miles at 27 m.p.g , we find the gallon gas required by car car needs=1500027…

Q: An

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

Q: A certain radioactive substance has a half-life of 38 hours. Find how long it takes for 90% of the…

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Q: An element with mass 640 grams decays by 7:3% per minute. How much of the element is remaining after…

A: Given intial mass =640 gmsRate of decay=7.3% per miniutetime =8 minute

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: An element with mass 310 grams decays by 8.9% per minute. How much of the element is remaining after…

A: Given   mass = 310 gm  Rate = 8.9 %  Time = 19 min

Q: A vehicle purchased for $20700 depreciates at a constant rate of 9 % . Determine the approximate…

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Q: The half-life of Palladium-100 is 4 days. After 16 days a sample of Palladium-100 has been reduced…

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Q: If 12 g of a radioactive substance are present initially and 8 yr later only 6 g​ remain, how much…

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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: An element with mass 430 grams decays by 27.4% per minute. How much of the element is remaining…

A: We need to find the exponential function representing the decay of the element.

Q: A tumor is injected with 0.7 grams of Iodine-125, which has a decay rate of 1.15% per day. To the…

A: The exponential function A = P * (1 - r)t  where A is the final amount and P is your inital amount.…

Q: If the total depreciation after 1 year and 2 years in an equipment are 21,776 and 36,153…

A: We have to find salvage value

Q: A vehicle purchased for $27500 depreciates at a constant rate of 4%. Determine the approximate value…

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Q: The half-life of Cobalt-60 is 14 years. How much of an initial 107 g sample will remain after 27…

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