a) 5^-2 = 1/5² = 1/25

b) 6^-3 = 1/6³ = 1/216

c) (-5/8)^-6 = (8/-5)⁶ = 262144/15625

d) (0,3)^-12 = 1/0,3¹² = 1/531441000000

e) (0,7)^-5 = 1/0,7⁵ = 1/16807

f) (0,4)^-3 = 1/0,4³ = 1/64

g) (1/3)^-4 = 3⁴ = 81

h) (-8)^-2 = 1/(-8)² = 1/64

i) (-2)^-5 = 1/(-2)⁵ = -1/32

j) (3/2)^-10 = (2/3)¹⁰ = 0,0000060466

a) (-2)⁴ . (-2)^-3 . (-2)³ = (-2)⁴⁺⁻³⁺³ = (-2)⁴ = 16

b) (-2)⁴ ÷ (-2)^-3 ÷ (-2)² = (-2)⁴⁻⁻³⁺² = (-2)³ = -8

c) { [(-2)²]³}⁴ = (-2)².³.⁴ = (-2)²⁴ = 16777216

d) (-3)¹ . (-3)^-2 . (-3)^-3 . (-3)¹ = (-3)¹⁺⁻²⁺⁻³¹ = (-3)^-4 = 1/81

e) 4⁷ ÷ 4⁴ ÷ 4² ÷ 4⁵ = 4⁷⁻⁴⁻²⁻⁵ = 16

f) (-5)^-1 . (-5)^-2 ÷ (-5)³ . (-5)⁴ = (-5)^-1⁻²/³⁺⁴ = (-5)⁰ = 1

g) 5⁴ . 4⁴ ÷ 10⁴ = (5.4/10)⁴ = 0,16⁴ = 0,0016384

h) 7³ . 4³ ÷ 28² = (7.4/28)³ = 0,25³ = 0,015625

i) 17⁵ . 2⁵ ÷ 34⁶ = (17.2/34)⁵ = 0,5⁵ = 0,03125

j) (3².3³) . 5⁵ = 3⁵.5⁵ = 187500