The answer is: 75,000 mg
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Explanation:
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Note: 1000 mg = 1g ; is an exact value conversion;
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Convert 75 grams, or "75 g", into "milligrams" (mg).
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75 g * (1,000 mg/1g) = ? mg ?
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The "g" units cancel ; and we are left with:
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[(75 * 1,000 mg)] / (1) = (75 * 1,000 mg) = 75,000 mg