Timothy has deposited $140 into a savings account this year. He plans on depositing $35 more into the savings account each year for another 7 years. How much money will Timothy have deposited into the account? Provide your answer below:

Monitors manufactured by tsi electronics have life spans that have a normal distribution with a standard deviation of 1800 hours and a mean life span of 20,000 hours. if a monitor is selected at random, find the probability that the life span of the monitor will be more than 17,659 hours. round your answer to four decimal places.