# college algebra

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Describe two laws of exponents and provide an example illustrating each law. Explain how to simplify your expression. How do the laws work with rational exponents? Provide the class with a third expression to simplify that includes rational (fractional) exponents

• college algebra -

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

(x^a)^b = x^ab

x^(a/b) = the bth root of x^a, so

[x^(a/b)]^b = x^a

The laws work with all rational exponents

• college algebra -

thank you

• college algebra -

7x-5=72

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