Lifetime savings accounts, known as lsas, would allow people to invest after-tax money without being taxed on any of the gains. if an engineer invests $10,000 now and $10,000 each year for the next 20 years, how much will be in the account immediately after the last deposit if the account grows by 15% per year?

Just like a lot of other americans, john wayne died of cancer. but is there more to this story? in 1955, wayne was in utah shooting a film. across the state line, in nevada, the united states military was testing atomic bombs. radioactive fallout from those tests drifted across the filming location. a total of 46 of the 220 people working on the film eventually died of cancer. cancer experts estimate that one would expect only about 30 cancer deaths in a group this size. is the death rate among the movie crew unusually high? does this prove that exposure to radiation increases the risk of cancer?