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This problem is a checkpoint for laws of exponents and scientific notation. It will be referred to as Checkpoint 4.

Simplify each expression. In parts (e) through (f), write the final answer in scientific notation.

Check your answers by referring to the Checkpoint 4 materials.

Ideally, at this point you are comfortable working with these types of problems and can solve them correctly. If you feel that you need more confidence when solving these types of problems, then review the Checkpoint 4 materials and try the practice problems provided. From this point on, you will be expected to do problems like these correctly and with confidence.

Answers and extra practice are located in the back of your printed textbook or in the Reference Tab of your eBook.
If you have an eBook for INT1, login and then click the following link: Checkpoint 4 Answers and Practice