AEPA Biology (NT305) Practice Questions - Arizona Educator Proficiency Assessments Biology (NT305) Subject Knowledge Test Exam

A bacterium is about 0.000002 meters long. Which notation expresses this length in scientific notation?

2 x 10^-6 m 2 x 10^-5 m 2 x 10^6 m 0.2 x 10^-6 m

Correct Answer:

2 x 10^-6 m

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