Answer to Question 3

Determine the number of seconds in one week.
60 · 60 · 24 · 7 = 604800 sec.
or 6.048 × 10⁵ sec.

Now, multiply times the speed of light.
(3.0 × 10⁸) · (6.048 × 10⁵) = 18.144 × 10¹³.

Light will travel 1.8144 × 10¹⁴ meters in  one week. 

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