a) 2³ = 2*2*2 = 8

b) 2⁻⁵ = [tex]\frac{1}{2^5}[/tex] = [tex]\frac{1}{32}[/tex] = 0,03125

c) 3⁴ = 3*3*3*3 = 81

d) 1,2² = 1,2*1,2 = 1,44

e) -5³ = (-1)*5*5*5 = -125

f) (-4)⁴ = (-4)*(-4)*(-4)*(-4) = 256

g) 10⁵ = 10*10*10*10*10 = 100.000

h) 13³ = 13*13*13 = 2.197