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Unformatted text preview: Chapters 4 & 5 Review for Test 2 Name: Practice these problems. Study your quizzes, worksheets, examples done in class, and WileyPlus homework. 1. State the form of any real number in scientific notation. 2. Convert from scientific notation to standard notation. (a) 3 . 56 10- 5 (b) 10 8 (c)- 2 10 3 3. Convert from standard notation to scientific notation. (a) 0.0000214 (b) -895.74 (c) -0.3 4. 230 s (microseconds) = N 10 n seconds where N = and n = . 5. State the five rules of exponents (for adding/subtracting/multiplying/distributing expo- nents). 6. Do these five rules hold for ... (a) 0? (b) integers? (c) fractions? (d) all real numbers? 7. Write base a raised to the fractional exponent m/n in three different forms. You may use the radical-symbol k . 8. Complete the exponents worksheet. 9. An earthquake in China rates a 3.25 on the Richter scale. Ten years later China has a major 6.25 earthquake. How many times less intense was the first earthquake? 10. The mass of an electron is 1 . 26 10- 27 grams. A sperm whale weighs approximately 7800 grams. How much smaller is the order of magnitude of an atom compared to a spermgrams....
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- Fall '08