Question

How far does light travel in one year?

Answer 1

9.46089529 E+15 km = 9461 trillion km, nearly.

Explanation:

9-sd light second equals 299792458 km. 9-sd 1 year in days is 365.256363 days of 24 hours. 1 h = 3600 s. So, 1 y = 31558149.8 s Find 9-sd product 299792458 X 31558149.8 for 9-sd answer. Here sd means significant digits, counted from most-valued digit (msd) to least-valued digit (lsd)..