What operations do i use when it says a number 3 times as much as another

How do you convert 1.27 to a percentage

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.

What are the first 4 terms in the multiplication pattern given by the formula 2×4n