Question

Help fast please

how far does light travel per second?

Answer 1

9514 1404 393

Answer:

3×10^8 m/s

Explanation:

The desired speed is ...

`\frac{\frac{9.45*10^(15)\text{ m}}{\text{yr}}}{\frac{3.15*10^7\text{ s}}{\text{yr}}}=(9.45)/(3.15)*10^(15-7)\text{ m/s}=\boxed{3.00*10^8\text{ m/s}}`

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