Question

10) Calcule as potências: a) 6² = b) (2,3)² = c) (–5)² = d) (–5)³ = e) – 5³ = f) (–½)³ = g) (¾)¯² = h)1000 = i) 5001 = j) 020 =

Answer 1

a)6²=36
b)(2,3)²=5,29
c)(-5)²=25
d)(-5)³=-125
e)-5³=125
f)(-1/2)³=-1/8
g)$(3/4)^{-2}$=(3/4)²=9/16
h)1000=10³