Jennifer drive 265 miles in five hours what is her average rate of speed and miles per hour

What is the simplified form of (3.25x10^3)(7.8x10^6) written in scientific notation?

Atown has a population of 17000 and grows at 2.5% every year. to the nearest year, how long will it be until the population will reach 19600?

Tony is charged $ 50 and additional $0.15 per miles for renting a car. a) represent the cost of renting a car with an equation,and the determine the cost if he drove it70 miles.b) what would be the cost of a car rental if the car was driven 250 miles? show work