Respuesta :

marcthemathtutor

Answer:

5.68 x 10¹⁵ km

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)