Mathematics, 02.08.2019 08:00, dannyboy5911

1. mr. wahnon’s vintage sound systems emporium has experienced a decrease in its sales since opening in 2010. since then, sales of 8-track players have been decreasing at a steady rate of 5.1% per year. if the emporium sold 390 8-track players in 2010, write an exponential function to determine the number of players sold in 2013 and give the amount to the nearest whole unit. ***2 separate answers 2. ms. holder was playing with the science equipment last night and accidentally spilled a solution containing neptunium-229. this isotope has a half life of 4 minutes. if there were 500 grams in the solution originally at 7: 45 am, how much remains at 8: 15 am? round your answer to the nearest 0.01 grams. 3. write an equation to model the situation: mr. canonaco starts a bank account in florida with his paycheck ($2475.76) at dewey, cheetum, & howe credit union. it will collect 6.25% in annual interest over a period of x years.

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1. mr. wahnon’s vintage sound systems emporium has experienced a decrease in its sales since opening...