Question

1.Aplicando a definiçao de potencia,calcule o valor de: quero o calculo pfvr!!

a)8²
b)-8²
c)(-7)³
d)(-3,2)²
e)(-2/3)^5
f)[(-2)³]²
g)(2.3.4)²

Answer 1

$a)8^2=64\\b)-8^2=-64\\c)\left(-7\right)^3=-343\\e)\left(-\frac{2}{3}\right)^5=-\frac{32}{243}\\f)\left[\left(-2\right)^3\right]^2=64\\g)\left(2\cdot \:3\cdot \:4\right)^2=576$