Understand relationship: Understand the relationship between milligrams and centigrams.1 milligram (mg) is equal to 0.1 centigrams (cg), because the prefix "milli-" means one-thousandth and "centi-" means one-hundredth. Therefore, to convert milligrams to centigrams, we need to multiply by 0.1.
Convert milligrams to centigrams: Convert 450 milligrams to centigrams.Using the conversion factor from Step 1, we multiply 450mg by 0.1 to find the number of centigrams.450mg×0.1=45cg
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