Answer:
5.68 x 10¹⁵ km
Step-by-step explanation:
Recall that 1 lightyear = 9.461 x 10¹² km
hence
600 lightyears
= 600 x 9.461 x 10¹²
= 5.6766 x 10¹⁵
= 5.68 x 10¹⁵ km (rounded)
5.8m questions
7.5m answers