1. Write 0.21111... using bar notation. A. B. C. D. Hint 2. Write the prime factorization of 1500. A. 22 × 3 × 52 × 102 B. 2 × 3 × 5 C. 22 × 3 × 53 D. 22 × 3 × 52 Hint 3. Based on the factor trees, what is the greatest common factor of 8 and 20? A. 2 B. 20 C. 8 D. 4 Hint 4. Which fraction is when written in simplest form? A. B. C. D. Hint 5. Express as a percent. A. 350% B. 0.35% C. 35% D. 3.5% Hint 6. Find the least common denominator for and A. 5 B. 50 C. 10 D. 15 Hint 7. Express 0.87 as a percent. A. 0.87% B. 87% C. 8.7% D. 870% Hint 8. Which of the following numbers is prime? A. 43 B. 75 C. 57 D. 63 Hint 9. What is the greatest common factor of 20x2 and 32x3? A. 8x B. 8x3 C. 4x2 D. 4x Hint 10. Express as a percent. A. 12% B. 6% C. 3% D. 15% Hint 11. Express 0.24 as a fraction. A. B. C. D. Hint 12. Find the least common multiple of 12 and 8. A. 96 B. 12 C. 24 D. 48 Hint 13. Marquez is on a certain baseball team that has a four-man pitching rotation, so each pitcher plays every four days. Walter is on another team, which has a five-man rotation. If Marquez and Walter play in the same game today, how many days will it be before they play on the same day again? A. 4 B. 5 C. 10 D. 20 Hint 14. The pie graph shows the percentage of people found in a survey to prefer certain colors of candy to others. Write the percentage of people who preferred red candy as a decimal. A. 0.5 B. 5.0 C. 0.21 D. 2.1 Hint 15. The table shows approximately the number of mobile phone users in each age group. Find the number of phone users aged 12-17 as a fraction of the number of mobile phone users aged 55 and over in simplest form. A. B. C. D. Hint 16. Find the true sentence. A. 45% > B. 0.56 = C. > 0.17 D. 63% < 0.6 Hint