Question

What is the speed of light
1) 3,000,00 per/s
2) 3,000 per/s
3) 30,000 per/s​

Answer 1

the exact speed of light is 299,792 kilometers per second

so by rounding off it

the speed = 300,000 km per second

Answer 2

hey mate!

your answer is 299792 m/s.