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4CH2L9 - 2-9 Scientific Notation 2-9 Scientific Notation...

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Pre-Algebra 2-9 Scientific Notation 2-9 Scientific Notation Pre-Algebra Warm Up Warm Up Problem of the Day Problem of the Day Lesson Presentation Lesson Presentation

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Pre-Algebra 2-9 Scientific Notation Warm Up Order each set of numbers from least to greatest. 1.   10 , 10  , 10 , 10 2.   8 , 8  , 8 , 8 3.   2 , 2  , 2  , 2 4.   5.2 , 5.2 , 5.2  , 5.2 0 4  –1  –2 10  , 10  , 10 , 10 4 0 –1 –2 3 0 2  –2 8  , 8 , 8 , 8 3 2 0 –2 1 3  –4  –6 –2 2 9  –1 5.2  , 5.2  , 5.2 , 5.2 9 2 –1 –2 2  , 2  , 2 , 2 3 1 –4 –6
Pre-Algebra 2-9 Scientific Notation Problem of the Day Order the powers from least to  greatest: 2 6 , 6 2 , 36 0 , 16 1 36 0 , 16 1 , 6 2 , 2 6

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Pre-Algebra 2-9 Scientific Notation Learn  to express large and small numbers in  scientific notation .
Pre-Algebra 2-9 Scientific Notation Vocabulary scientific notation

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Pre-Algebra 2-9 Scientific Notation An ordinary penny contains about  20,000,000,000,000,000,000,000 atoms. The  average size of an atom is about 0.00000003  centimeters across. The length of these numbers in  standard notation makes them  awkward to work with. Scientific notation   is a shorthand way of writing  such numbers.
Pre-Algebra 2-9 Scientific Notation The sign of the exponent tells which direction to  move the decimal. A  positive  exponent means  move the decimal to the  right,  and a  negative   exponent means move the decimal to the  left.

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