any question if you know any answers

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.

Christina can paint 420 square feet in 105 minutes. which unit rate describes the scenario?

The radius of the earth is two times the radius of the moon. what fraction of the volume of the earth is the volume of the moon?