I'll explain the laws of exponents to a third grader.
Well to start off in the laws of exponents
when you multiple you have to add the exponents
and when you divide you have to subtract the exponents.
I'll show you.!!!
Lets say we have a problem like A^5 * A^8
In stead of expanding it you could just add the exponents
and your answer will be A^13.
Another example.!!! Let say you have A^3 * A^9.
You could expand it to be - A*A*A*A*A*A*A*A*A*A*A*A.
But if you don't want to expand it just add the exponents and you will get A^12.
Now for division it is the same thing but the only difference is that you have to subtract the exponents this time. For Example !!!! A^5/A^3
( it is a fraction. A to the fifth over A to the third)
Just subtract the exponents and you will be left with A^2.
Hope this help's.
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Thursday, November 6, 2008
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