light travels at a speed of about 3*10e5 kilometers per second. it takes about 1.5*10e4 seconds for light travel from the sun to Neptune. what is the approximate distance (in kilometres) between Neptune and the sun?
light travels at a speed of about 3*10e5 kilometers per second. it takes about 1.5*10e4 seconds for light travel from the sun to Neptune. what is the approximate distance (in kilometres) between Neptune and the sun?
3 x 10^5 x 1.5 x 10^4 =4,500,000,000 km=4.5 x 10^9 km-distance from Sun to Neptune.
