Exponents and Polynomials - XYZ Custom Plus

602Chapter 9 Exponents and PolynomialsApplying the ConceptsSuper Bowl Advertising and Viewers The cost of a 30-second television ad along with the approximate number of viewers forfour different Super Bowls is shown below. Complete the table by finding the cost per viewer by dividing the ad cost by thenumber of viewers.Super number of Cost perYear Bowl Ad Cost Viewers Viewer31. 1967 I $4.2 × 10 4 4.0 × 10 6 $1.05 × 10 −232. 1977 XI $1.62 × 10 5 6.2 × 10 7 $2.6 × 10 −333. 1987 XXI $5.75 × 10 5 8.7 × 10 7 $6.61 × 10 −334. 1997 XXXI $1.2 × 10 6 8.8 × 10 7 $1.36 × 10 −235. Pyramids and Scientific Notation The Great Pyramid atGiza is one of the largest and oldest man-made structuresin the world. It weighs over 10 10 kilograms. Ifeach stone making up the pyramid weighs approximately4,000 kilograms, how many stones make upthe structure? Write your answer in scientific notation.2,500,000 or 2.5 × 10 6 stones36. Technology A CD-ROM holds about 700 megabytes, or7.0 × 10 8 bytes, of data. A four-and-a-half minute songdownloaded from the Internet uses 5 megabytes, or5.0 × 10 6 bytes, of storage space. How many four-and-ahalfminute songs can fit on a CD?140 or 1.4 × 10 2 songsImage: BigStockPhoto.com © Devanne PhilippeMusic Video–+Maintaining Your SkillsFind the value of each of the following expressions when x = 4.37. 3x − 5738. −2 − 2x−1039. −5x + 6−1440. 4x + 723Find the value of each of the following expressions when x = −3.41. 3x − 5−1442. −2 − 2x443. −5x + 62144. 4x + 7−5