Online Update 1/09/12 7th and 8th grade Use your answer sheet…..ask questions….and Do YOUR BEST . 2 cm = ______mm 0.2 A. 2 B. 20 C. 200 D. Hint glencoe 2. 11,241 g = ______kg 112.41 A. 11,241,000 B. 11.241 C. 0.11241 D. Hint glencoe 3. 2,400 mL = ______L 0.24 A. 2,400,000 B. 24 C. 2.4 D. Hint glencoe 4. 7,939 mg = ______ g 7,939,000 A. 79.39 B. 0.7939 C. 7.939 D. Hint glencoe 5. 57 mL = ______ L 0.0057 A. 0.057 B. 0.57 C. 57,000 D. Scientific Notation glencoe 1. Write 2,564,000 in scientific notation. 2,564×103 A. 2.564×106 B. 2.564×105 C. 25.64×105 D. Hint glencoe 2. Which symbol makes the following statement true? 7,500 ______ 7.5 × 103 = A. B. > C. < D. Hint glencoe 3. Which symbol makes the following statement true? 3.25 × 103 ______ 325 > A. = B. < C. D. Hint glencoe 4. Write 45,870,320 in scientific notation. 45.87032 × 107 A. 45.87032 × 106 B. 4.587032 × 108 C. 4.587032 × 107 D. Hint glencoe 5. Which symbol makes the following statement true? 568 ______ 5.1 × 102 = A. < B. > C. 1. What is the scale in the frequency table? D. 91-100 A. 0-100 B. 51-100 C. 51-60 D. Hint glencoe 2. What is the interval? 9 A. 10 B. 50 C. Hint glencoe 51-100 D. 3. How many customer service ratings above 80 did the company receive? 2 A. 12 B. 5 C. 16 D. Hint glencoe 4. On how many days was the temperature below 76 degrees? 1 A. 6 B. 5 C. Hint glencoe 5. Choose an appropriate scale for the data 69, 72, 121, 81, 98. 2 D. 70 to 100 A. 65 to 125 B. 70 to 120 C. 40 to 100 D. Making Predictions glencoe 1. Predict which of these items the store will sell the most of next month. socks A. shorts B. ties C. shirts D. Hint glencoe 2. What would you predict your heart rate would be if you exercise 40 minutes per day? 0 A. 120 B. 50 C. 10 D. Hint glencoe 3. How can a line graph be used to make predictions? It has vertical and horizontal scales. A. It displays data. B. It shows a trend over time. C. It has a title. D. Hint glencoe 4. How much money do you predict Classic Comics will make on the Internet in July? $130 A. $110 B. $120 C. $100 D. 5. In what month will Classic Comics probably begin to make more than $150 on the Internet? November A. September B. October C. December D. 1. The following are scores on an English exam. The highest score possible is 100. Which is the correct line plot? A. B. C. D. Hint glencoe 2. Which is the correct line plot for this information? A. B. C. D. Hint glencoe 3. What is the most energy used by any of these states (in hundred trillion BTU's)? A. 27 28 B. C. 29 26 D. Hint glencoe 4. What is the least energy used by any of these states (in hundred trillion BTU's)? A. 4 7 B. C. 6 5 D. glencoe 5. How many states in this group used at least 17 hundred trillion BTU's of energy? A. 12 11 B. C. 10 9 D. Median, and Mode glencoe 1. Find the mode of {325, 100, 115, 621, 325, 325, 100}. A. C. 325 273 B. D. 115 100 Hint glencoe 2. Find the median of {55, 21, 21, 69, 71}. A. C. 55 21 B. D. Hint glencoe 3. The mean is the _______ of a set of numbers. 71 47.4 A. C. most frequent highest number B. D. middle number arithmetic average Hint glencoe 4. Find the mean of {15, 7, 9, 25, 4}. A. C. 13 10 B. D. 9 12 Hint glencoe 5. Ben races motorcycles for fun. So far, his lap times, in seconds, are 32, 35, 33, and 32. What time must Ben get on his final lap for his average lap time to be 32.6? A. C. 31 32 -and-Leaf Plots glencoe 1. Which value occurred the most often? B. D. 33 32.6 A. C. 78 0 B. D. 70 77 Hint glencoe 2. What is the difference between the highest and the lowest values? A. C. Hint glencoe 100 84 B. D. 75 80 3. If the number 178,651 is rounded to 179,000 and plotted on a stem and leaf plot as 17|9, how would you plot 151,205? A. C. 15|2 15|1 B. D. 151|2 1|15 Hint glencoe 4. Which value occurred most often in group B? A. C. Hint glencoe 8 5 B. D. 4 2 5. If the number 1600 is plotted on a stem-and-leaf plot as 6 | 1, how would you plot the number 5200? A. C. 10 | 2 5|2 B. D. 2|5 2|7