The students in a school decided to collect old books to donate to schools in villages around the country. During the year, they collected a lot of books and were able to donate 172 books to 422 schools each. If there are 27 students in class ^@A^@ and each student in the class collected 30 books, then how many books were collected by the students of other classes?
A bag of dried fruits weighs seven hundred ninety-three thousandths of a kilogram. What is the weight of the bag of dried fruits in kilograms, written in expanded form?
If the radius of a circle is 340.9 m, then what is the circumference of the circle? NOTE: Assume that the value of "pi" (ratio of the circle's circumference to diameter) is 22/7.
The angles of a pentagon are in the ratio ^@ 2:8:9:4:7. ^@ If the total measure of the angles of a pentagon is ^@540^{\circ},^@ find the measure of each angle.