The distance between the aliens traveling in group and their launchpad in kilometers is 40.23km.
Given that data in the question;
Note that;
1 miles = 1.609 kilometers
Now, the distance in kilometers will be;
distance = 25 miles
distance = ( 25 × 1.609 )kilometers
distance = 40.23km
Therefore, the distance between the aliens traveling in group and their launchpad in kilometers is 40.23km.
Learn more about speed here: brainly.com/question/7359669
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