Posted: August 17th, 2016

If you were to construct a scale model of the solar system using the rubber ball to represent Earth, what is the radius

Earth has a radius of about 6400 km, the sun has a radius of about 7.0×105

km, and a rubber ball has a radius of 6.4 cm. If you were to construct a scale model of the solar system using the rubber ball to represent Earth, what is the radius of a ball needed to represent the sun in your model?

a. 7.0×105 cm

b. 7.0 cm

c. 700 cm

d. 70 cm

e. 7000 cm