# Problem: The mass of a sample is 550 milligrams. Which of the following expresses that mass in nanograms? A. 5.5 x 10 8 ng  B. 5.5 x 10 6 ng  C. 5.5 x 10 11 ng D. 5.5 x 10 –6 ng E. 5.5 x 10 –10 ng

🤓 Based on our data, we think this question is relevant for Professor Sanders' class at QC CUNY .

###### Problem Details

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

A. 5.5 x 10 8 ng

B. 5.5 x 10 6 ng

C. 5.5 x 10 11 ng

D. 5.5 x 10 –6 ng

E. 5.5 x 10 –10 ng

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Metric Prefixes concept. You can view video lessons to learn Metric Prefixes. Or if you need more Metric Prefixes practice, you can also practice Metric Prefixes practice problems.

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Based on our data, we think this problem is relevant for Professor Sanders' class at QC CUNY .