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please quietly copy onto your class notebook

please quietly copy onto your class notebook. 9/29/10 Our Math Goal: To learn about scientific notation. Homework: p. 127 Try It. Study for your FINAL.

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please quietly copy onto your class notebook

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  1. please quietly copy onto your class notebook 9/29/10 Our Math Goal: To learn about scientific notation. Homework: p. 127 Try It. Study for your FINAL. Where would you move the decimal point to make the following numbers greater or equal to 1 and less than 10? Example: for 123.5 I would move the decimal two places to the left to get 1.235 • 76.5 • 8909 • .0008909 • 16,002 • 700,000

  2. please quietly copy onto your class notebook and complete Change the following : • How would you move the decimal point to change 1.5 into the large number 1,500,000? • How would you move the decimal point to change 1.5 into the small number .000015? • If I move the decimal point in 3.5 nine places to the right, what number will I get? • If I move the decimal point in 3.5 nine places to the left, what number will I get? Complete the Riddle Math Worksheet for full classwork credit.

  3. Self-Assessment: This is another actual sample HSA test problem. 2. A large grain of sand has a volume of about 0.00000000419 cubic feet. Which expression is equivalent to this number in scientific notation? 0.419 x 10-8 b) 4.19 x 10-8 c) 4.19 x 10-9 d) 41.9 x 10-10 copy and answer the following onto your class notebook: -

  4. Self-Assessment: This is another actual sample HSA test problem. 3. The chance of being struck by lightening is estimated to be , or about 0.000036. Which expression is equivalent to this number in scientific notation? 3.6 x 10-6 b) 3.6 x 10-5 c) 3.6 x 105 d) 3.6 x 106 copy and answer the following onto your class notebook: -

  5. Self-Assessment: This is another actual sample HSA test problem. 4. The circumference of Earth at the equator is about 24,900 miles. What is the distance in scientific notation? 2.49 x 105 miles b) 2.49 x 104 miles c) 2.49 x 10-5 miles d) 2.49 x 10-4 miles copy and answer the following onto your class notebook: -

  6. Self-Assessment: This is a actual sample HSA test problem. 5. The population of Hawaii is projected to be about 1.81 million in the year 2025. What is the 1.81 million expressed in scientific notation? 1.81 x 10-6 b) 1.81 x 10-5 c) 1.81 x 105 d) 1.81 x 106 copy and answer the following onto your class notebook: -

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