Question

What are the rules for combining and simplifying expressions involving exponents with the same base?

Accepted Answer

$$x^a \cdot x^b = x^{a+b}$$    
$$x^a ÷ x^b = x^{a-b}$$    
$$(x^a)^b = x^{a \cdot b}$$    
$$x^{-a} = \frac{1}{x^a}$$    
$$x^0 = 1, x ≠ 0$$

Flashcard 3 - Math Flashcard Set for the PERT

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