Charles Wilson is 30 years and wants to retire when he is 65. So far he has saved (1) $5,820 in an IRA account in which his money is earning 8.3 percent annually and (2) $4,250 in a money market account in which he is earning 5.25 percent annually. Charles wants to have $1 million when he retires. Starting next year, he plans to invest the same amount of money every year until he retires in a mutual fund in which he expects to earn 7.60 percent annually. How much will Charles have to invest every year to achieve his savings goal?

On the way home from visiting his family, vincent’s plane cruised at an altitude of 3.2 × 10^4 feet. he had heard that a man named felix baumgartner skydived from an altitude of 1.28 × 10^5 feet. vincent wants to know how much higher felix went on his skydiving trip. question 1 you have already seen how adding numbers works in either scientific notation or standard notation. but can you subtract numbers in scientific notation and get the same results as subtracting in standard notation? to find out, first solve vincent’s problem in standard notation. part a write the cruising altitude of vincent’s plane in standard notation.