Convert 0390 Ng to Milligrams and Express the Answer in Scientific

question 9

Multiple Choice

Convert 0.390 ng to milligrams and express the answer in scientific notation using the correct number of significant figures.

• A) 3.90 × 10^-5 mg
• B) 3.90 × 10^-7 mg
• C) 3.9 × 10^-7 mg
• D) 0.390 × 10^-8 mg
• E) 0.390 × 10^-7 mg

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