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Questions and Answers

Which of the following is true about unit conversion?

It involves changing both the numerical value and physical quantity of a measurement.
It involves changing the units of a measurement without changing its numerical value or physical quantity. (correct)
It involves changing the numerical value of a measurement without changing its physical quantity.
It involves changing the physical quantity of a measurement without changing its numerical value.

What is the relationship between the metric system and unit conversion?

The metric system requires unit conversion for every measurement.
The metric system and unit conversion are unrelated.
The metric system makes unit conversion easier because it is based on powers of 10. (correct)
The metric system makes unit conversion more difficult because it uses different units.

Which of the following is NOT a commonly used unit of measurement in unit conversion?

Inches
Miles (correct)
Gallons
Pounds

What are some commonly used units of measurement in unit conversion?

Some commonly used units of measurement in unit conversion include meters, kilograms, liters, seconds, and degrees Celsius. Signup and view all the answers

What is the process for converting units within the metric system?

To convert units within the metric system, you need to identify the conversion factor between the two units and then multiply the value by the conversion factor. Signup and view all the answers

What is the difference between exact and inexact conversions in unit conversion?

Exact conversions in unit conversion involve converting between units that have a defined relationship, while inexact conversions involve converting between units that do not have a precise relationship. Signup and view all the answers