Question

Convert distance and age to scientific notation, then calculate the spreading rate in mm/yr. (Distance = 5500 km, Age = 180 Myr) Distance: 5500 km = 5.5*10⁹mm Age: 180 Myr = 1.8*10⁶years Spreading rate (mm/yt): Distance (mm)/Age (years) = mm/yr (keep 1 decimal place here)

Answer 1

To calculate the approximate total distance Earth has traveled since its birth, we multiply the orbital radius of Earth by its age.

Step-by-step explanation:

To calculate the approximate total distance Earth has traveled since its birth, we need to multiply the orbital radius of Earth (1.5 × 10¹¹m) by the age of Earth (4 × 10⁹ years). First, let's convert the age to scientific notation: 4 × 10⁹ years. Then we can calculate the total distance as follows: 1.5 × 10¹¹m * 4 × 10⁹ years = 6 × 10²⁰m. Therefore, the approximate total distance Earth has traveled is 6 × 10²⁰ meters.