Light travels at a speed of about 300,000 kilometers per second. a. How far does light travel in one day? Give your answer both in scientific notation and in ordinary decimal notation. Explain your work. b. How far does light travel in one year? Give your answer both in scientific notation and in ordinary decimal notation, rounded to the nearest hundred-billion kilometers. Explain your work. The distance that light travels in one year is called a light year.
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First, we need to find out how many seconds are in one day. There are 60 seconds in a minute, 60 minutes in an hour, and 24 hours in a day. So, there are 60 * 60 * 24 seconds in a day. Show more…
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