They each cost 18 dollars
That would depend on the car and the amount of miles the car can go on one tank of gas. Divide that amount from 1048 to get the answer.
By definition, an astronomical unit in miles is given by:

As it is in exponential notation, then we must rewrite.

Therefore, an astronomical unit is:
93 million miles
Answer:
93 million miles
Pi. I don't know what the square root is doing there because it has no number under it.
On a horizontal number line, -6 is located to the (left) of -4. So, -6 is (less than) 4.