Write the value 299,792,458 m/s in proper scientific notation to 4 significant figures. 2.998 × 108 m/s 2.997 × 108 m/s 2.998 × 106 m/s 2.997 × 106 m/s

Two horses begin at rest. after a few seconds, horse a is traveling with a velocity of 10 m/s west, while horse b is traveling with a velocity of 13 m/s west. which horse had a greater acceleration? a. horse a because its change in velocity was greater than horse b's in the same time. b. horse b because its change in velocity was greater than horse a's in the same time. c. horse b because its change in velocity was the same as horse a's, but it took less time. d. both horses had the same acceleration.