SOLUTION: Light travels 1.18 � 10^10 in. In 1 second. How far will light travel in 1 nanosecond or 1 � 10^-9 s? Should I multiply or divide ? I need to write this in Scientific Notation App

Question 1126576: Light travels 1.18 � 10^10 in. In 1 second. How far will light travel in 1 nanosecond or 1 � 10^-9 s?
Should I multiply or divide ? I need to write this in Scientific Notation Applications ( 8th grade )
Found 2 solutions by ikleyn, Alan3354:
Answer by ikleyn(52776) (Show Source): You can put this solution on YOUR website!
.
You need to multiply.

Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Light travels 1.18 � 10^10 in. In 1 second. How far will light travel in 1 nanosecond or 1 � 10^-9 s?
Should I multiply or divide ?
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Light travels 1.18e10 in/second. How far will light travel in 1 nanosecond or 1e-9 seconds?
Should I multiply or divide ?
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If you include the units in the operation, you'll know if you did the right thing.
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(1.18e10 in/second)*1e-9 seconds = 11.8 inches.
= 1.18e1 inches or 1.18*10^1 inches
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Notice that the seconds cancel.

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