Please help me with this question! I will give crown when it will be available!!

Answer:
1515 millions of km
Explanation:
Neptune is in between Uranus and Pluto, so if you find out what the distance is in between Uranus and Pluto from the sun, it's a decent approximation. 5900-2870 = 3030. 3030/2 = 1515
Brainliest, please :)