The distance of the earth from the sun is 149,000,000 km. In scientific notation the distance is:
A light year is the distance that light can travel in one year.1 light year =9,460,000,000,000 km. (a) Express one light year in scientific notation. (b) The average distance between Earth and Sun is 1.496×108km. Is the distance between earth and Sun greater than, less than or equal to one light year?