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Questions and Answers
Which of the following best describes a unit of measurement?
Which of the following best describes a unit of measurement?
- A measurement that can be expressed as a multiple of another measurement
- A global standard for weights and measures
- A specific quantity used as a standard for measuring the same kind of quantity (correct)
- A physical quantity that represents a definite predetermined length
What is the symbol for the unit of length called 'metre'?
What is the symbol for the unit of length called 'metre'?
- m (correct)
- M
- Mtr
- l
Which system of units is now considered the global standard?
Which system of units is now considered the global standard?
- The International System of Units (SI) (correct)
- The customary system
- The metric system
- The Imperial system
Why are weights and measures often regulated by governments in trade?
Why are weights and measures often regulated by governments in trade?
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What role have units of measurement played in human endeavor?
What role have units of measurement played in human endeavor?
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Study Notes
Unit of Measurement
- A unit of measurement quantifies physical quantities such as length, mass, and volume.
- Examples include meters, kilograms, and liters, serving as standardized references.
Symbol for Metre
- The symbol for the unit of length 'metre' is "m".
- This abbreviation is widely recognized in scientific and everyday contexts.
Global Standard for Units
- The International System of Units (SI) is the global standard for measurement.
- Established to ensure consistency and uniformity in scientific and commercial transactions worldwide.
Regulation of Weights and Measures
- Weights and measures are regulated to prevent fraud and promote fairness in trade.
- Standardized measurements help maintain consumer trust and ensure product accuracy across markets.
Importance of Units of Measurement
- Units of measurement have been crucial in scientific discovery, engineering, and commerce.
- They facilitate communication, comparison, and understanding across diverse fields and cultures.
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