SOLUTION: Light travels 1.18 x 10^10 in. In 1 second. How far will light trav in 1 nanosecond or 1 ×10^-9 s? Should I multiply or divide?

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Question 1126573: Light travels 1.18 x 10^10 in. In 1 second. How far will light trav in 1 nanosecond or 1 ×10^-9 s?
Should I multiply or divide?

Found 3 solutions by MathLover1, MathTherapy, Alan3354:
Answer by MathLover1(20849)   (Show Source): You can put this solution on YOUR website!

speed of light
or




Answer by MathTherapy(10551)   (Show Source): You can put this solution on YOUR website!
Light travels 1.18 x 10^10 in. In 1 second. How far will light trav in 1 nanosecond or 1 ×10^-9 s?
Should I multiply or divide?
You need to multiply. When you do, you should get a distance of 11.8 inches.
ALL other answers are WRONG, so IGNORE them!!
You can set up a PROPORTION as follows: , with D being the distance.
You now see that distance, or D =
Answer by Alan3354(69443)   (Show Source): You can put this solution on YOUR website!
This has been asked and answered several times.
Let's move on.
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There's no need to set up a proportion.
Multiply the 2 numbers.
Notice the seconds cancel, leaving the inches.
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A light-year us commonly used as the distance light travels in a year.
A light-foot is sometimes used (not my many) as the time for light to travel a foot. It's 1 nanosecond.
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---> 1 nanosecond = ~ 1 light-foot

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