How do you convert 1.42 g/cm^2 to mg/mm^2 Step by Step?

In the problem stated, we are asked to convert 1.42 g/cm^2 to mg/mm^2. From the units given, 1 gram is equal to 1000 milligrams and 1 centimeter is equal to 10 millimeters. We square the second conversion to take consideration of the squaring of cm. in this case, the conversion is 1.42 g/cm2 * (1000 mg/1g) * (1 cm / 10 mm) ^2 equal to 14.2 g/mm2