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Answer:
This is <u>7.408 kilometres</u> far.
Step-by-step explanation:
Given:
A ship's mast is sighted just over the horizon at 4 nautical miles.
Now, to find the distance in kilometers.
As, given ship's mast is sighted just over the horizon at 4 nautical miles.
So, by using conversion factor we get the nautical mile into kilometers:
<em>1 nautical mile = 1.852 kilometer.</em>
<em>Thus, 4 nautical miles</em>
=
=
Therefore, this is 7.408 kilometres far.