How many mg are in 10 cg?
When working with metric conversions, we move the decimal point as needed to go from one measure to another.
In this case, we have 10 centigrams, abbreviated "cg". We're being asked how many milligrams, abbreviated "mg" are in the 10cg. To figure it out, we move the decimal. Since the measure we are looking for is a smaller size, we move the decimal to the right which creates a bigger number (if we measure with a smaller thing, there should be more of them):