Question

Помогите. Вычислите
(-3)²+($frac{1}{3}$)² · 3³

Answer 1

$displaystyle tt (-3)^{2}+bigg(frac{1}{3}bigg)^{2}cdot3^{3}=9+3^{-2+3}=9+3=12;$

Answer 2

$(-3)^2+(frac{1}{3})^{2}*3^3=3^2+(3^{-1})^{2}*3^3=9+3^{-2}*3^3=\\=9+3^{-2+3}=9+3^{1}=9+3=12$