1. Multiply 0.25 × 103. A. 25,000 B. 0.00025 C. 25 D. 250 Hint 2. Write 3,465 in scientific notation. A. 346.5×10 B. 0.3465×104 C. 34.65×102 D. 3.465×103 Hint 3. Express 7-3 using positive exponents. A. B. C. D. (-7)3 Hint 4. Eric uses 7 gallons of gas to drive 196 miles. How many miles can he drive using 1 gallon of gas? A. 14 B. 22 C. 30 D. 28 Hint 5. Which is the best buy: \$4.08 for a 16-ounce box of cereal, \$4.50 for an 18-ounce box of cereal, or \$5.39 for a 22-ounce box of cereal? A. 22-ounce box B. 16-ounce box C. 18-ounce box D. There is no best buy because they all have the same unit price. Hint 6. A jet aircraft can fly 2,500 miles in 4 hours. How far can it fly in one hour? A. 625 mi B. 62.5 mi C. 6.25 mi D. 6,250 mi Hint 7. Three ordered pairs for f(n) = 2n - 1 are (-1, -3), (1, 1), and (2, 3). Graph the function. A. B. C. D. Hint 8. The price of a computer system at an electronics store is \$1099. Determine the percent of change in price if the computer system sold for \$1349 a month earlier. A. 22.7% increase B. 22.7% decrease C. 18.5% decrease D. 18.5% increase Hint 9. A set of counters is numbered 1, 2, 3, …, 12. Suppose you draw one counter without looking. What is the probability of choosing a number less than 4? A. B. C. D. Hint 10. Find the equation for the flowchart. A. = 1 B. - 1 = 9 C. - 9 = 1 D. - 9 = 1 Hint 11. Describe this pattern. A. cube pattern B. doubling pattern C. ''add 1'' pattern D. square pattern Hint 12. Draw a top-count view for the engineering view represented below. A. B. C. D. Hint 13. Find the dimension of the rectangular prism that is not made from 24 blocks. A. 2 × 2 × 6 B. 1 × 4 × 6 C. 1 × 3 × 8 D. 2 × 2 × 8 Hint 14. Find a solution to the equation using backtracking. A. s = 15 B. s = 21 C. s = 18 D. s = 24 Hint 15. Find the perimeter of this triangle after it has been scaled by 3. A. 18 km B. 40 km C. 54 km D. 21 km Hint 16. To estimate the number of white-tailed deer in Minnesota, biologists captured and tagged 650 deer and then released them back into the woods. One year later, the biologists captured 300 deer and counted 6 deer with tags. Estimate the actual number of deer in the forest. A. 30,100 B. 32,500 C. 29,050 D. 30,600 Hint 17. Joy walks slowly and steadily across her living room. Describe the graph below. A. Joy walks fast to the right, then she walks fast to the left. B. Joy walks fast to the left, then she walks fast to the right. C. Joy walks fast to the right. D. Joy walks fast to the left. Hint 18. Kathleen started her after school job at the grocery store. She gets a paycheck every two weeks, which she deposits in her bank account. Every week, she takes out \$20 of spending money. Kathleen drew a table showing how much she is going to be able to save in the next 12 weeks. What was the bank balance before January 4? A. \$445 B. \$320 C. \$425 D. \$305 Hint 19. Choose the example that is not a repeating pattern. A. position of the sun in the sky B. the tide of the ocean C. position of a basketball being shot through a basketball hoop D. position of a rider on a merry-go-round Hint 20. Find a description that can model this graph. A. Jenna swinging on a backyard swing. B. Jenna practicing her violin. C. Jenna playing catch with her younger brother. D. Jenna watching a video. Hint