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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