1.1 Review Worksheet, Part 2

1.1.4 Powers and Exponents Write the power represented by each geometric model. 1. 2. 3. 5

3

5

3

3

Simplify each expression.

2

7. − ⎛ ⎝ ⎜

⎞ ⎠ ⎟

3 5

4. 3 3

5. ( − 4) 2

6. − 4 2

Write each number as a power of the given base.

8. 49; base 7

9. 1000; base 10

10. − 8; base − 2

11. 1,000,000; base 10

12. 64; base 4

13. 343; base 7

14. Protozoa are single-celled organisms. Paramecium aurelia is one type of protozoan. The number of Paramecium aurelia protozoa doubles every 1.25 days. There was one protozoan on a slide 5 days ago. How many protozoa are on the slide now?

37

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