1. Express the decimal 0.212121… using bar notation. A. B. C. D. Hint 2. Two solid rocket boosters provide the main thrust to lift the space shuttle off the launching pad. Each booster weighs approximately 1.92 × 105 pounds. Express this weight in standard form. A. 0.0000192 pounds B. 192,000 pounds C. 19,200 pounds D. 19,200,000 pounds Hint 3. Find . A. B. C. D. Hint 4. A drain pipe is five inches in diameter. If the sides of the pipe are thick, find the width of the opening in the pipe. A. inches B. inches C. inches D. inches Hint 5. Evaluate (xy)2 if x = and A. B. C. D. Hint 6. Find the solution of A. B. C. D. Hint 7. Solve A. B. -3 C. D. 3 Hint 8. Solve the equation A. B. C. D. Hint 9. Write the expression 7 × 7 × 7 × 7 × 7 using exponents. A. 74 B. 75 C. 16,807 D. 2,401 Hint 10. Express 0.98 as a fraction in simplest form. A. B. C. D. Hint 11. Order from least to greatest. A. B. C. D. Hint 12. Give the height of a stack of three boxes if each box is 19inches tall. A. 58inches B. 60inches C. 59inches D. 57inches Hint 13. Evaluate xyz if x =, y = 4, and z =. A. B. C. D. Hint 14. Replace ___ with a symbol to make ___ a true sentence. A. < B. = C. none D. > Hint 15. Destiny cut a rope into four pieces. The lengths of the four pieces are 3 inches, 2 inches, 4 inches, and 5. What was the length of the original rope? A. 12 inches B. 20 inches C. 15 inches D. 10 inches Hint 16. Solve w - = . A. B. -1 C. 1 D. - Hint 17. Evaluate m4 · n3 if m = 3 and n = 5. A. 16,875 B. 180 C. 10,125 D. 206 Hint 18. Write 0.0000055 in scientific notation. A. 5.5 × 106 B. 5.5 × 10-6 C. 55 × 107 D. 55 × 10-7 Hint