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Exponents

Page history last edited by Andrea Grieser 13 years, 8 months ago

Exponents are used to indicate how many times a base number should be taken as a factor.

 

The following diagram shows the parts of exponents:

 

The expression am above means take a as a factor m times.  For example, 24 means take 2 as a factor 4 times:

2*2*2*2 = 8.

 

Be careful to NEVER multiply the base by the exponent.  You must write out the base as a factor the number of times the exponent tells us to.

 

When we multiply, divide, or raise a power to another exponent, we follow the laws of exponents.

 

These class notes provide more information on exponents.

 

 

 

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