Write the following numbers used in these statements in scientific notation. (note: some of these numbers have been rounded.)
the acceleration due to gravity on the sun is 900 ft/s^2

Atruck can be rented from company a $50 a day plus $0.60 per mile. company b charges $20 a day plus $0.80 per mile to rent the same truck. find the number of miles in a day at which the rental costs for company a and company b are the same