Scientific Notation

Scientific Notation - Scientific Notation A positive number...

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Scientific Notation A positive number is written in scientific notation if it is written in the form: where 1 < a < 10 and r is an integer power of 10. Writing a Number in Scientific Notation Step 1: Move the decimal point so that you have a number that is between 1 and 10. In other words, you will put your decimal after the first non zero number. Step 2: Count the number of decimal places moved in Step 1 . If the decimal point was moved to the left, the count is positive. If the decimal point is moved to the right, the count is negative. Step 3: Write as a product of the number (found in Step 1) and 10 raised to the power of the count (found in Step 2).
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Example 1: Write the number in scientific notation: 734,000,000,000. View a video of this example Step 1: Move the decimal point so that you have a number that is between 1 and 10. *Decimal is at the end of the number *Move decimal to create a number between 1 and 10 Step 2: Count the number of decimal places moved in Step 1 . How many decimal places did we end up moving?
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This note was uploaded on 02/18/2011 for the course MATH 101 taught by Professor Kindle during the Spring '11 term at South Texas College.

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Scientific Notation - Scientific Notation A positive number...

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