# Light travel through space at a constant speed of about 3×10^5km/s earth is about 1.5×10^8km from the sun how long does it take for light from the sun to reach earth?

##### 3 Answers

Apr 14, 2018

500 seconds

#### Explanation:

Divide the distance by the speed to find the time

If you struggle with scientific notation

Apr 14, 2018

#### Explanation:

Starting with the equation:

We shall solve the equation for

Substitute

Apr 14, 2018

500 Seconds

#### Explanation:

Distance = Speed x Time

Time = Distance/Speed