Question Detail
Question
Express 3.20 × 10⁻⁹ g in appropriate SI prefix units.
Correct Answer
Option A is the correct answer.
Detailed Explanation
10⁻⁹ g = 1 nanogram (ng). 3.20 × 10⁻⁹ g = 3.20 ng.
Hint
nano = 10⁻⁹.