What is the quantity 0.0075 meters expressed in centimeters?
0.0075 m = 0.75 cm
To convert from one unit of measurement to the other, we must use a conversion factor.
We know that
The conversion factor will be either
We want the units of "cm" in the answer, so we choose the conversion factor that has "cm" on the top (in the numerator).
Notice that the units of "m" cancel out and give us the desired unit "cm" in the answer.