Make the following conversion. 275 mm = cm

275mm=27.5cm

Explanation:

We know that 1 centimeter is equal to 10 millimeters (1cm=10mm). As they are the same, dividing one by the other, results in 1:

If we multiply something by 1, it's not affected. We will multiply 275mm by 1 (or 1cm/10mm) in order to get the same quantity, but with different units:

a longitudinal wave moves energy that is to the direction of the wave’s movement. - true

molecules are free to separate from each other and will take on the shape of the container. molecules move completely at random and high speeds. they vibrate in a fixed position and do not move around much. molecules expand to the edge of their container.