brainliest goes to whoever answers the question correctly also if you want more points answer my other questions (what is the rate of change?)

Determine the difference: 3.2 × 1010 – 1.1 × 1010. write your answer in scientific notation.

Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. what distance from city a is the point where the truck and the car will meet?

Select all the statements that apply to this figure