For each planet in our solar system, its year is the time it takes the planet to revolve o...

For each planet in our solar system, its year is the time it takes the planet to revolve once around the sun. The formula

models the number of Earth days in a planet ’s year, E ,where x is the average distance of the planet from the sun, in millions of kilometers. Use the equation to solve Exercise.

There are approximately 88 Earth days in the year of the planet Mercury. What is the average distance of Mercury from the sun? Use a calculator and round to the nearest million kilometers.