the cost of producing transmitters decreased by 20% every year. if it currently cost 570 to produce a billion transmitters how much will it cost to produce a billion transfers in 10 years? if necessary around no answer to the nearest cent​

According to the 2008 u.s. census, california had a population of approximately 4 × 10^7 people and florida had a population of approximately 2 × 10^7 people. which of the following is true? a. the population of california was approximately two times the population of florida. b. the population of florida was approximately twenty times the population of california. c. the population of florida was approximately two times the population of california. d. the population of california was approximately twenty times the population of florida.