Need help fast not sure how to get the answer

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 florida was approximately two times the population of california. b. the population of florida was approximately twenty times the population of california. c. the population of california was approximately twenty times the population of florida. d. the population of california was approximately two times the population of florida.

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.

With both problems. a.s.a.p directions on photo ^