The correct option is a. 550 dm.
The 0.55 hectometers expressed in decimeters are 550 dm.
<h3>What is unit conversion?</h3>
Unit conversion is a multi-step process that involves multiplying or dividing by a numerical factor and, more specifically, a conversion factor.
- The process may also necessitate selecting the appropriate amount of significant digits and rounding.
- Different conversion units are employed to measure various parameters.
- Measuring Temperature
- Measuring Length
- Measuring Capacity
- Measuring Weight
- Conversion of units is defined as the process of converting between different units & measurements of a given quantity using multiplication or division.
- Conversion is the method of changing the amount of one form in terms of mathematics, such as inches to millimeters or liters to gallons.
- Units are used in the measurement of length, weight, capacity, temperature, and speed.
To know more about unit conversion, here
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Answer:
100%
Step-by-step explanation:
100% of 20 is 20
half of 40 is 20
