Question

The light from a laser beam Travels at a speed of 3 into 10 to the power 8 m/s how far does it travel to nano seconds which is 2 into 10 raise to power minus 9 seconds

Answer 1

Answer:

distance = speed *time

distance =

$3 \times {10}^{8} \times 2 \times {10}^{ - 9 } \\ = 6 \times {10}^{ - 1} m$