Alejandra spent her birthday money on a video game the cost 24$, a controller for 13$, and a memory card for 16$. The total tax was 3$. Write and solved a subtraction equation to find how much money Alejandra gave the cashier if she received 4$ in change

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.