Rules of Exponents!

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# Rules of Exponents! - PowerPoint PPT Presentation

Rules of Exponents!. 4 Basic Rules. Multiply Divide Exponent of Exponent Negative Exponents Exponents Video Authors Page Resources. Multiply. Simplify the expression Rewrite this as (x*x*x)(x*x*x*x*x)= Did you notice that 3 + 5 = 8 ? So, our rule is:

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## PowerPoint Slideshow about ' Rules of Exponents!' - jillian-nicholson

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Presentation Transcript

### Rules of Exponents!

4 Basic Rules
• Multiply
• Divide
• Exponent of Exponent
• Negative Exponents
• Exponents Video
• Authors Page
• Resources
Multiply
• Simplify the expression
• Rewrite this as (x*x*x)(x*x*x*x*x)=
• Did you notice that 3 + 5 = 8?
• So, our rule is:
• Be careful! We must have the same base for each exponent. So,

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Multiply- Practice

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Divide
• Simplify the expression
• Rewrite this as (x*x*x*x)/(x*x)=
• Did you notice that 4 – 2 = 2?
• So, our rule is
• Remember, just like multiplication, we must have the same base.

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Divide- Practice

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Exponent of Exponent
• Simplify the expression
• Rewrite this as (x*x*x)(x*x*x)=
• Did you notice that 3*2 = 6?
• So, our rule is
• We only have one base here, so we don’t worry about similar bases.

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Negative Exponents
• Simplify the expression
• This one is a bit more tricky than the rest- your expression will become a fraction!
• Take your expression and change the exponent to a positive. Now take 1 over your new expression.
• So becomes
• Now, our rule is

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Exponents Video

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• Multiply
• Divide
• Exponent to Exponent
• Negative Exponents

Cannot Simplify- Different Bases!

Cannot Simplify- Different Bases!

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Resources
• http://www.mathdork.com/images/exponents.JPG