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Dinosaur fossils are too old to be reliably dated using carbon-14, which has a half-life of about 5730 years. Suppose we had a 66 million year old dinosaur fossil. How much of the living dinosaur's 14C would be remaining today? (Round your answer to five decimal places.)
Suppose the minimum detectable amount is 0.8%. What is the maximum age of a fossil that we could date using 14C? (Round your answer to the nearest integer.)
What is the current yield of the bond? What is the total purchase price of the bonds? If Emerson sold the bonds on August 1 for $109.50, what are the proceeds from the sale?
Find the characteristic equation for the matrix below and determine its eigenvalues and the corresponding eigenvalues.
Calculate monthly deposits necessary to accumulate $13,800 after 5 years in account earning 6.75% compounded monthly?
What is the half-life of the goo in minutes?
Use the circle graph to solve the problem. A survey of the 8263 vehicles on the campus of State University yielded the following circle graph.
how many different finishes among the first three places are possible for a ten-horse race? How many ways can a three-person subcommittee be selected from a committee of seven people?
A football team wins 80% of its games. Suppose the team plays 16 games in a season and that the outcome of each game is independent of the outcome of any other game. (For this problem, please show work by hand, rather than using Excel to do th..
Write out the probability distribution for of sales during a five-day week. What is the mean and variance of this distribution? Assume that the profit from each sale is $750 for the situation in additional problem. What is the expected weekly profi..
A certain diagnostic test for a rare form of cancer detects the cancer if it is present 98 % of the time. If cancer is not present it detects it incorrectly (false positive) 2 % of the time. It is known from a prior study that 0.25 % of the popula..
Calculating Production and Material Consumption Rates, The Ottawa Coat company manufactures winter coats and spring jackets. The winter coat requires 4m of material while the spring jacket requires just 1m
If the tree was 7 feet tall when it was planted, how tall will it be in 27 years? Round your answer to two decimal places.
Clear glass costs $3 per square foot and stained glass costs $10 per square foot. Express the cost of the window as a function of the radius of the stained glass pane.
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