Question

5)Calcule o valor das potências:

a)(1/2)⁻¹=

b)(1/5)⁻²

c)(-5/2)⁻³=

d)(-1/8)⁻²


15 pontos

Answer 1

$( \frac{1}{2} ) {}^{1} = \frac{1}{2}$

$( \frac{1}{5} ) {}^{ - 2} = 25$

$( - \frac{5}{2} ) {}^{ - 3} = - \frac{8}{125}$

$( - \frac{1}{8} ) {}^{ - 2} = 64$