QUESTION 6 An object mea ring 25.0 inches will have a length of \( \qquad \) centimeters. 63.5 9.84 0.0158 0.102 2.54
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The conversion factor is 1 inch = 2.54 centimeters. Show more…
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How many inches are in 25.8 cm? [1 inch = 2.54 cm] A. 0.0984 B. 10.2 C. 0.10 D. 28.3
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Select the unit from the list that you would use to measure each object. A. The length of a pencil 1. centimeters B. The weight or mass of a pencil 2. cups C. The volume of a pencil 3. feet D. The weight or mass of a hippopotamus 4. gallons E. The length of a hippopotamus 5. grams F. The length of a fingernail clipping 6. inches G. The weight or mass of a fingernail clipping 7. kilograms H. The volume of a sink 8. kilometers I. The volume of a bowl 9 . liters J. The length of a chalkboard or whiteboard 10 . meters K. The weight or mass of a chalkboard or whiteboard 11. miles L. The length of the border between the United States 12. milliliters and Canada 13. millimeters 14. ounces 15. pounds 16 . quarts 17. tons 18. yards
Unit Rates and Percentages
Measuring with Different-Sized Units
Estimating the Size of a Specimen To estimate the size of a specimen, we need to determine the proportion of the diameter it occupies in the field of view. Multiply this proportion by the diameter of the field view to find the diameter of the specimen. First, let's calculate the proportion of the diameter that the specimen occupies. From Figure 1, we can see that the specimen occupies half of the field view. Therefore, the proportion is 0.5. Next, we need to find the diameter of the field view. According to Table 18, the diameter is 796 mm. To calculate the diameter of the specimen, we multiply the proportion by the diameter of the field view: Diameter of specimen = 0.5 * 796 mm = 398 mm. Now, let's determine how many specimens can fit across the diameter of the field view. From Figure 2, we can see that five objects the size of the specimen can fit across the diameter. Therefore, the number of specimens is 5. To estimate the size of the specimen using this approach, we divide the diameter of the field view by the number of specimens: Estimated size = 796 mm / 5 = 159.2 mm. To convert this to micrometers, we multiply by 1000: Estimated size = 159.2 mm * 1000 = 159200 m. Therefore, the estimated size of the specimen is 159200 m.
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