Three runners ran the 100 meter dash. Sergio finished In 12.03, jamie finished in 11.87, Marco finished in 12.40 seconds. In what order did the runners finish the race?

If the speed of an electromagnetic wave is 100,000 cm/s and its wavelength is 100 cm, what is its frequency? a) 100,000 cycles per second (hz) b) 1 × 10-3 cycles per second (hz) c) 10,000,000 cycles per second (hz) d) 1,000 cycles per second (hz)