Question

The speed of light is approximately 670616629 miles per hour.
Use the conversion 1 mile = 1.6 km to work out the speed of light
in metres per second.
Give your answer correct to three significant figures.​

Answer 1

1 mile=1.6 km ie 1600 m

1 hour=3600 sec.

670616629×1600

÷3600=298051835.1

hope it helps you thanks