Esercizi sui monomi: potenze

$(-2a^3b)^2$
$(-\frac 1 2 a^2x^3)^4$
$[-(-x)^2]^2$
$(-\frac 3 4 x^3)^m$
$[(-\frac 1 3 a^2b^3)^3]^2$
${[(-a^2xy^2)^2]^2}^2$
${[-(-\frac 1 2 a^3b^2)^2]^3}^2$

$4a^6b^2$ (segno negativo elevato ad una potenza pari diventa positivo)
$\frac {1} {16} a^8x^{12}$ ( $(\frac 1 4)^2=\frac 1 4 * \frac 1 4$ )
$x^4$
$-\frac {3^m} {4^m} x^{3m}$
$[(-\frac {1}{27} a^6b^9]^2=+(\frac{1}{3})^6a^{12}b^{18}$
${[a^4x^2y^4]^2}^2={a^8x^4y^8}^2=a^{16}x^8y^{16}$
${[-(\frac 1 2)^2 a^6b^4]^3}^2={-(\frac 1 2)^6 a^{18}b^{12}}^2=(\frac 1 2)^{12} a^{36} b^{24}$