Friday, September 24, 2010

Chemistry 11 note: Scientific Notation Sept 21, 2010

Scientific Notation- is used to express very large or very small number using powers of 10
Ex1


Express in scientific form:
a) 25 000 000 000











Ex2Express in standard form ( basicly it's the opposite way)


Generally, when the power of 10 is positive, the point will move to the right side; otherwise(which is negitive) it moves to the left side.

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