Question

Which of the following values is the best approximation for the average distance, in kilometers, from Earth to Mars?%0D%0A%0D%0A%09A.%09%0D%0A7%0D%0A.%0D%0A8%0D%0A×%0D%0A10%0D%0A−%0D%0A7%0D%0A7%0D%0A.%0D%0A8%0D%0A×%0D%0A10%0D%0A-%0D%0A7%0D%0A%0D%0A%09B.%09%0D%0A7%0D%0A.%0D%0A8%0D%0A×%0D%0A10%0D%0A−%0D%0A3%0D%0A7%0D%0A.%0D%0A8%0D%0A×%0D%0A10%0D%0A-%0D%0A3%0D%0A%0D%0A%09C.%09%0D%0A7%0D%0A.%0D%0A8%0D%0A×%0D%0A10%0D%0A1%0D%0A7%0D%0A.%0D%0A8%0D%0A×%0D%0A10%0D%0A1%0D%0A%0D%0A%09D.%09%0D%0A7%0D%0A.%0D%0A8%0D%0A×%0D%0A10%0D%0A3%0D%0A7%0D%0A.%0D%0A8%0D%0A×%0D%0A10%0D%0A3%0D%0A%0D%0A%09E.%09%0D%0A7%0D%0A.%0D%0A8%0D%0A×%0D%0A10%0D%0A7

Answer 1

[AI-generated answer — Bot GPT 3.5]

B. 7.8 x 10^7.