What is 4,329,608 rounded to the nearest one thousand

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.

At a book fair, joe bought 24 books at 3 for $5 and had $2 left. how much money did he have at first?

How is the interquartile range calculated?