Cool math Pre-Algebra Help Lessons: Exponents

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Coolmath Pre-Algebra
Exponents lesson 4 - Exponent Rule #3 (page 1 of 2)
---- This pre-algebra lesson explains the third rule of exponents.

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What does this thing mean?

Well...

means

...

There are two ways to look at this thing. Pick your favorite to understand:

WAY 1:

( x^2 )^3 = ( x^2 ) ( x^2 ) ( x^2 ) = x^(2+2+2) = x^6
using exponent rule #1

WAY 2:

( x^2 )^3 = x^6

TRY IT:

Simplify

by expanding it out.

Continued on the next page

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