# How do you write b^-3c^0 using only positive exponents?

$\frac{1}{b} ^ 3$
$\text{using the "color(blue)"laws of exponents}$
•color(white)(x)a^-mhArr1/a^m" and "a^0=1
$\Rightarrow {b}^{-} 3 {c}^{0} = \frac{1}{b} ^ 3 \times 1 = \frac{1}{b} ^ 3$