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How many grams are equivalent to 125 mg?

  1. 0.0125 grams

  2. 0.125 grams

  3. 1.25 grams

  4. 12.5 grams

The correct answer is: 0.125 grams

125 mg is a smaller unit measurement than grams, so we need to convert mg to grams. 1 gram is equal to 1000 milligrams (mg). Therefore, 125 mg is equal to 125/1000 = 0.125 grams, which means that option B is the correct answer. The other options are incorrect because - Option A (0.0125 grams) is 100 times smaller than the correct answer, as it only accounts for 1 mg instead of 125 mg. - Option C (1.25 grams) is 10 times larger than the correct answer, as it mistakenly multiplies instead of divides the conversion rate of 1000. - Option D (12.5 grams) is 100 times larger than the correct answer, as it takes the conversion rate of 1000 as is instead of using it to convert mg to grams.