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September 21, 2014

September 21, 2014

Posted by **jo** on Saturday, October 10, 2009 at 12:22am.

- math -
**drwls**, Saturday, October 10, 2009 at 8:34amYou only add the powers of numbers with the same base and different exponents if you are multiplying the two numbers.

For example,

x^2 * x^b = x^(a+b)

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