It is estimated that light takes 100 000 years to travel the full distance across our galaxy, the Milky Way. If light travels 3.0 x 10 8 m in 1 second, how long

Question

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If light travels 3.0 x 10 8 m in 1 second, how long is the Milky Way? Give your answer in standard

form.

Answer 1

3.0 x 10⁸ / sec

10800 x 10⁸ / hour

259200 x 10⁸ / day

94608000 x 10⁸ / year

9.4608 x 10¹⁵ / year

(1 x 10⁵)(9.4608 x 10¹⁵) = ?