What would 3.5 billion dollars in 1900 be worth today?

Which factor is a common characteristic of a subsistence economy? Why are monopolies known to be bad? When two countries agree to eliminate duties and trade barriers on products traded between them they have? How much is a 20 dollar 1980-1982 worth? Are wizars real? When is a system of currency exchange most likely to be used? When farmers are only able to produce enough food for themselves with nothing left to trade or sell is called? Why is mining important? What is the difference between OPEC and the EU? What were andrew carnegies methods of monopolizeing his industry? What is Arkansas goods and services? How much was the average cost of a house in 1995? Which terms indicates the exchange of goods and services with a single country? What are the running costs of a motor vessel? How was the theory of laissez-faire used during the late 1800s? Can economics be called the science of common sense? Why does the aggregate supply curve have a positive slope? What war did Athens grow economic? How much does beech wood cost in british currency? Who opened Japanese ports to foreign trade?