Question

1 Express light year in terms of metres​

Answer 1

Answer:

1 light-year = 9460730472580800 metres (exactly)

Explanation:

If you travel one full year at light speed then it's said to be 1 light year

(it is usually used in traveling space and communication)

Give brainlist

Answer 2

Answer:

9.5×10¹⁵

If you want exact then....

9.461×10¹⁵

light year= speed of light×no. of seconds in a year