Question

Calcule as potências
A)2^3.2^2=?
B)3^3.2^3=?
C)2^-3=?
D)2^-3=?
E)(2/3)^4 : (2/3)^2 =?

Answer 1

a) $2^3 * 2^2 = 32$
b) $3^3 * 2^3 = 216$
c) $2^{-3} = 0,125$
d) $2^{-3} = 0,125$
e) $\frac{2}{3}^4 = 0,1975$
$\frac{2}{3}^2 = 0,4444$

$\frac{0,1975}{0,4444} = 0,4444$