To find the number of hours it will take for the asteroid to hit Mars, we can divide the distance to Mars by the rate at which the asteroid is traveling:
Time = Distance / Rate
Time = 3.311×108 miles / 7.7×104 mi./hr
Time ≈ 4.297×103 hours
Expressing this answer in scientific notation to the exact decimal place, the number of hours it will take for the asteroid to hit Mars is 4.297×10³ hours.
Question
An asteroid is heading toward Mars at the rate of 7.7×104 mi./hr. If the asteroid is 3.311×108 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.(1 point)
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