Al restar enteros debo tomar en cuenta que el minuendo se, luego se cambia el signo de por suma y se encuentra el del sustraendo, me ayudan en esa porfavor

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.