(2.99792458 x 10^8), it takes light 1/(2.99792456 X 10^8) of a second to cover 1 meter.
Therefore it takes (2.99792458 X 10^8)/8=1/37,474,057.25 of one second to travel the distance of 8 meters. Or, written in scientific notation=2.6685 X 10^-8 seconds