How do you simplify $16^(3/4)$ ?

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Answer 1 · 2015-06-12T23:00:15

$16^(3/4) = (2^4)^(3/4) = 2^(4*3/4) = 2^3 = 8$

Exponents obey the rule: $(x^a)^b = x^(ab)$ , at least when $x > 0$ or for any $x$ if $a, b$ are positive integers.

How do you simplify 16^(3/4)16^(3/4)?