Which of the fallowing is an incorrect way to label the line in the diagram below

Idont get this question can someone me solve it? ** the distance light travels in one second (1 light second) is about 1.86 ×10^5 mi. saturn is about 475 light-seconds from the sun. about how many miles from the sun is saturn..my guess is 8.83* 10^7 you so much

Determine whether the set of whole numbers is closed under addition. explain why the set is or is not closed. give an example.

He concluded that a heavier object dropped from the same height as a lighter object will land