Mathematics, 19.10.2019 20:10 xid200313
Astronomy estimate that the diameter of the andromeda galaxy is approximately 2.2*10^5 light years. a light year is the distance light travels in a vacuum in 1 year. one light year is approximately 5.9 *10^12 miles. what is the diameter of the andromeda galaxy in miles? write you answer in scientific notation.
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Astronomy estimate that the diameter of the andromeda galaxy is approximately 2.2*10^5 light years....
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