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013_024_CC_A_AMC3_C01_662329.indd Page 13 28/02/12 4:27 AM s-019 /Volumes/102/GO00864_AM_R1/MIDDLE_SCHOOL_MATH/NATIONAL/ANCILLARY... NAME _____________________________________________ DATE __________________ PERIOD _________ Test, Form 1A SCORE _________ Write the letter for the correct answer in the blank at the right of each question. 6 written as a decimal? 1. What is the fraction −− 11 −− A. 0.54 B. 0.54 C. 0.55 D. 0.611 1. 2. What is the value of the expression (−4) 3? F. -64 G. -12 H. 12 2. I. 64 B F − 3. Which of the following is 0.7 as a fraction in simplest form? 7 A. −− 7 B. −− 12 11 7 C. −− 10 7 D. − 3. 9 1015 ? 4. Using exponents, what is the simplified form of the expression −−− 3 10 18 Copyright © The McGraw-Hill Companies, Inc. Permission is granted to reproduce for classroom use. F. 10 G. 10 12 H. 10 5 I. 1 12 4. D G 5. Using exponents, what is the simplified form of the expression 65 ? 6 2? A. 67 B. 6 10 C. 36 7 D. 36 10 5. 6. Rory’s garden is square in shape. The length of one side of her garden is 52 feet. What is the area of her garden in square feet? Express your answer using exponents. F. 10 4 G. 10 2 H. 5 4 I. 625 6. 7. What is the simplified form of the expression (3x 4) 3? A. 9x 7 B. 9x 12 C. 27x 7 D. 27x 12 7. D 8. What is the next term in the pattern 32 = 9, 92 = 81, 812 = 6,561,...? F. 324 + 2 = 326 H. 6,5612 = 43,046,721 G. 324 × 1 = 324 I. 324 × 2 = 648 8. H 9. D 10. H 11. D A H 9. How is the expression 5-3 written using a positive exponent? A. 35 B. 5 3 C. 15 1 D. −− 3 5 1 10. How is the fraction −− written using a negative exponent? 3 2 2 F. −3 G. −23 H. 2 -3 I. 3 -2 11. What is 3.471 × 10 -5 written in standard form? A. 3,471,000 B. 347,100 C. 0.0003471 D. 0.00003471 13 Course 3 • Chapter 1 Real Numbers P rinter P DF 013_024_CC_A_AMC3_C01_662329.indd Page 14 28/02/12 4:27 AM s-019 /Volumes/102/GO00864_AM_R1/MIDDLE_SCHOOL_MATH/NATIONAL/ANCILLARY... NAME _____________________________________________ DATE __________________ PERIOD _________ Test, Form 1A SCORE _________ (continued) 12. In one 24-hour day there are 86,400 seconds. What is this number written in scientific notation? F. 8.64 × 104 G. 8.64 × 102 H. 864 × 10 -2 I. 864 × 10-4 12. F 13. B 14. G 15. C 16. H 17. B 18. F 19. A 20. F 13. What is the value of the expression below written in scientific notation? A. 750,000 (2.5 × 103)(3 × 102) B. 7.5 × 10 5 C. 7,500,000 D. 7.5 × 10 6 14. What is the value of the expression below written in scientific notation? (4.7 × 105) - (2.8 × 103) H. 1.9 × 103 I. 1.9 × 102 F. 467,200 G. 4.672 × 105 15. The speed of light is approximately 3 × 108 meters per second, while the speed of sound is approximately 3.4 × 102 meters per second. How many times faster is the speed of light than the speed of sound? A. 9 × 103 B. 9 × 104 C. 9 × 105 D. 9 × 106 16. What is the solution of the equation y2 = 64? F. 32 G. 8 H. 8 or -8 I. -8 A 0 A. A 1 2 B. B B 3 4 5 C 6 7 D 8 9 10 C. C 7 belong? 18. To which set of numbers − 8 F. rational G. integer H. irrational D. D I. whole 19. Which set of numbers is ordered from least to greatest? { 2} 1 B. { √ 5 , - √ 6 , 2−, -3} 2 1 , 3 − 8 , √11 A. 2.82, √ 3 20. What is the value of √ 8? F. 2 G. 3 14 , - √17 , - √18 , - √19 } C. {- √16 D. , 4, √ { √10 4 , 1.5} H. 8 I. 24 Course 3 • Chapter 1 Real Numbers P rinter P DF Copyright © The McGraw-Hill Companies, Inc. Permission is granted to reproduce for classroom use. 29 on the number line? 17. Which point is closest to √