Question

X=(-1÷3)elevado a 3 +[3elevado a -1 -(-3)elevado -1]elevado a -2

Answer 1

$x = \frac{-1}{3}^{3} + 3 + [3^{-1} - (-3^{-1})]^{-2}$

$x = \frac{-1}{27}^{3} + 3 + \frac{1}{(2/3)^2}$

$x = \frac{-1}{27}^{3} + 3 + \frac{1}{(4/9)}$

$x = \frac{-1}{27}^{3} + 3 + \frac{9}{4}$

x ≈ 5,212