Textbook Question
Use the prefix multipliers to express each measurement without exponents. a. 1.2×10−9 m
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Ch.1 - Matter, Measurement & Problem Solving
Chapter 1, Problem 56a
Use prefix multipliers to express each measurement without exponents. a. 38.8×105 g c. 23.4×1011 m d. 87.9×10−7 L
Verified step by step guidance1
Identify the given measurement: 38.8 \times 10^5 \text{ g}.
Recognize that the goal is to express this measurement using a prefix multiplier without exponents.
Recall the metric prefixes: kilo (10^3), mega (10^6), etc.
Determine which prefix multiplier is appropriate for 10^5. Since 10^5 is between 10^3 (kilo) and 10^6 (mega), we can express it in terms of kilograms (kg) by converting grams to kilograms.
Convert the measurement: 38.8 \times 10^5 \text{ g} = 38.8 \times 10^2 \text{ kg}, which simplifies to 3880 \text{ kg}.
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Prefix Multipliers
Prefix multipliers are standard prefixes used in the metric system to denote specific powers of ten. For example, 'kilo-' represents 10^3, 'mega-' represents 10^6, and 'centi-' represents 10^-2. These prefixes simplify the expression of large or small quantities by allowing scientists to communicate measurements more efficiently without using exponents.
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Metric Prefixes Chart
Scientific Notation
Scientific notation is a method of expressing numbers as a product of a coefficient and a power of ten. It is particularly useful for handling very large or very small numbers. In the context of the question, the number 38.8 * 10^5 g can be converted into a more manageable form using prefix multipliers, which helps in understanding and comparing measurements easily.
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Unit Conversion
Unit conversion involves changing a measurement from one unit to another while maintaining the same quantity. In this case, converting grams expressed in scientific notation to a more readable format using metric prefixes requires an understanding of how to translate between different units and their corresponding prefixes, ensuring clarity and accuracy in scientific communication.
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Related Practice
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Textbook Question
Use scientific notation to express each quantity with only base units (no prefix multipliers). d. 35 μm
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