Write the following exponential 100,000 someone i need it

This question awards 100 ! i really don’t want to fail i will also mark you !

Which of the following is correct interpretation of the expression -4+13

10 ! a train starts from grand city and travels toward belleville 388 miles away. at the same time, a train starts from belleville and runs at the rate of 47 miles per hour toward grand city. they pass each other 4 hours later. find the rate of the train from grand city.