### Objective

Students will practice adding, subtracting, dividing and multiplying numbers that are in scientific notation.

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Students will practice adding, subtracting, dividing and multiplying numbers that are in scientific notation.

This is a 4 part worksheet:

**Part I**Model Problems**Part II**Practice**Part III**Challenge Problems**Part IV**Answer Key

**Directions:**
*Write each number below in scientific notation.*

**Challenge Problems**