8.5

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8.5 SCIENTIFIC NOTATION

• Scientific Notation
• Power of 10

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Definition Scientific Notation - A number
written in the following form.
a 10n
Attention!!! n is an integer and 1 a lt 10
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Definition Power of Ten An expression in the
form
For small numbers (0 lt x lt 1), the Power of Ten
is negative
For large numbers (x 10), the Power of Ten is
positive
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General Rules for converting to Scientific
notaion
When moving the decimal to the left, add one to
the Power of Ten
When moving the decimal to the right, subtract
one from the Power of Ten
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Your Turn!!

1. Write in Scientific Notation

2. Write in Standard Notation
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• For large numbers, the power of 10 is
  ___________ ______________________________________
  ______ ___________________________________________
  _
• For small numbers, the power of 10 is
  __________ _______________________________________
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