Power Rules for Exponents

Power Rules for Exponents

If a and b are real numbers and m and n are integers, then

(a)  (am)n = amn .

(b)  (ab)m = ambm

(c)  (a/b)m = am/bm (b ≠0).


In words,

(a) to raise a power to a power, multiply exponents;

(b) to raise a product to a power, raise each factor to that power; and

(c) to raise a quotient to a power, raise the numerator and the denominator

to that power.

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