Answer:
75 millimeter is equal to c. 0.75 decimeter.
Step-by-step explanation:
The ‘deci’ factor with the power of 10 is given as
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The ‘milli’ factor with the power of 10 is given as

The short form of millimeter is mm and short form of decimeter is dm.
In meter conversion, 1 mm = 0.01 dm
The length is the parameter and meter is the unit of that parameter. The parameters are defined with any units according to the quantity and requirement.
Now, the value for the given number is:
75 mm = 0.75 dm