An asteroid is heading toward Mars at the rate of 7.7 x 10^4 mi./hr. If the asteroid is 3.311 x 10^8 miles away from Mars, how many hours will it be before it hits Mars? Write the answer in scientific notation, expressed to the exact decimal place
It will take approximately 4289.35 hours for the asteroid to hit Mars.
This can be written in scientific notation as 4.28935 x 10^3 hours.