Question

9) Calcule as potências
a) 4-2
b) 5-1
c) 10-3
d) 2-5
e) 18-1​

Answer 1

Explicação passo-a-passo:

a)

${4}^{ - 2} = ( \frac{1}{4})^{2} = \frac{1}{16}$

b)

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

c)

${10}^{ - 3} = ( \frac{1}{10})^{3} = \frac{1}{1000}$

d)

${2}^{ - 5} = ( \frac{1}{2} )^{5} = \frac{1}{32}$

e)

${18}^{ - 1} = ( { \frac{1}{18}) }^{1} = \frac{1}{18}$

Espero ter ajudado!

Answer 2

Resposta:

a)4² = 4 × 4 = 16

b)5¹ = 5 = 5

c)10³ = 10 × 10 × 10 = 1000

d)2⁵ = 2 × 2 × 2 × 2 × 2 = 32

e)18¹ = 18 = 18