The Mass of a Sample Is 550 Milligrams

question 63

Multiple Choice

The mass of a sample is 550 milligrams. Which of the following expresses that mass in kilograms?

• A)5.5 × 10 8 kg
• B)5.5 × 10 5 kg
• C)5.5 × 10 −4 kg
• D)5.5 × 10 −6 kg
• E)5.5 × 10 −1 kg