Answer:

Step-by-step explanation:
Given expression:

Substitute

into the expression:

Answer:
nope
Step-by-step explanation:
Answer:
okay whats the question
Step-by-step explanation:
Answer:
256.4
Step-by-step explanation:
Answer:
1/2= 5/10
5/10 - 3/10 = 2/10 or 1/5
so planet X is 1/5 of a light-year closer
Step-by-step explanation: