Kristian purchased four textbooks which cost $34.99 each, and a backpack that cost $19.98. Estimate the total cost of the items he purchased. (You do not need to consider tax.)

During the last three games of the season, the attendance at the Tigers' home games was 14,667; 16,992; and 18,124. Estimate the total attendance for these three games. Round to the nearest thousand.

Steven keeps his baseball cards in an album. He has filled 147 pages of the album. He can fit 9 cards on each page. Which of the following statements is true?