One light-year is the distance that light travels in vacuum
in one year. It's a unit of distance.
Answer:
8 seconds
Explanation:
power (P) is defined as the rate at which work is done.
power is measured in Watts (W) , when the work done is measured in Joules (J) and time in seconds
by the definition of power,

Where are the answers to this question?
Answer:
I would hope they can change this question