Textbook Question
Convert the following quantities into SI units with the correct number of significant figures. (b) 66.31 lb
Ch.1 - Chemical Tools: Experimentation & Measurement
Chapter 1, Problem 95e
Convert the following quantities into SI units with the correct number of significant figures. (e) 978.3 yd3
Verified step by step guidance1
Identify the conversion factor from cubic yards to cubic meters. 1 yard is equal to 0.9144 meters, so 1 cubic yard is equal to (0.9144)^3 cubic meters.
Calculate the conversion factor: (0.9144)^3. This will give you the number of cubic meters in one cubic yard.
Multiply the given volume in cubic yards (978.3 yd^3) by the conversion factor obtained in the previous step to convert it to cubic meters.
Determine the number of significant figures in the original measurement (978.3 yd^3). Since there are four significant figures, ensure that your final answer in cubic meters also has four significant figures.
Express the final result in cubic meters with the correct number of significant figures.
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
SI Units
The International System of Units (SI) is the standard system of measurement used in science and engineering. It includes base units such as meters for length, kilograms for mass, and seconds for time. Understanding SI units is crucial for converting measurements from one system to another, ensuring consistency and accuracy in scientific communication.
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SI Units
Significant Figures
Significant figures are the digits in a number that contribute to its precision. This includes all non-zero digits, any zeros between significant digits, and trailing zeros in the decimal portion. When converting measurements, it is important to maintain the correct number of significant figures to reflect the precision of the original measurement.
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Unit Conversion
Unit conversion is the process of converting a quantity expressed in one set of units to another set of units. This often involves using conversion factors, which are ratios that express how many of one unit are equivalent to another. In this case, converting cubic yards to cubic meters requires knowing the appropriate conversion factor to ensure the result is accurate and in SI units.
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Related Practice
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