Question

Which expression is equivalent to 6^-3

Answer 1

You didn'tlist any but anyway

$x^{-m}=\frac{1}{x^m}$
so
$6^{-3}=\frac{1}{6^3}=\frac{1}{216}$


so the possible expressions could be $\frac{1}{6^3}$ and/or $\frac{1}{216}$

Answer 2

(1/6)^3 is the answer on edge