Question

cat face 2 la puterea -3?

Answer 1

$2^{-3}= \frac{1}{ 2^{3} } = \frac{1}{8}$

Answer 2

$\displaystyle 2^-^3= \frac{1}{2^3} = \frac{1}{2 \cdot 2 \cdot 2} = \frac{1}{4 \cdot 2} = \boxed{\frac{1}{8} }$