Three students are using different strategies to add 12+34. Student A writes: 12+12+14

Student B writes: 24+34

Student C writes: 12+22+12

Select each student that has written an expression equal to 12+34. Select all that apply.

The equatorial radius of earth is approximately 6 × 10^3 km, while the equatorial radius of saturn is approximately 6 × 10^4 km. which of the following is true? a. the equatorial radius of saturn is approximately one hundred times that of earth. b. the equatorial radius of saturn is approximately ten times that of earth. c. the equatorial radius of earth is approximately one hundred times that of saturn. d. the equatorial radius of earth is approximately ten times that of saturn.