Question

9) Calcule as potências: a) 4-² = b) 4-³ =​

Answer 1

A)

$\large\bm{} {4}^{ - 2} \\\\ \large\bm{} \dfrac{1}{ {4}^{2} } \\ \\ \bm{\large\boxed{\boxed{  { \large \bm{ \dfrac{1}{16} }}}}}$

B)

$\large\bm{} {4}^{ - 3} \\ \\ \large\bm{} \dfrac{1}{ {4}^{3} } \\ \\ \bm{\large\boxed{\boxed{  { \large \bm{ \dfrac{1}{64} }}}}}$

${\large\boxed{\boxed{  { \large \bm{ Bons~Estudos} }}}}$