Question

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Answer 1

Resposta:

A) 16

B) 1/64

C) 1/125

D) 4/25

E) 9/25

F) 7

Explicação passo-a-passo:

a) (-4)² = (-4) · (-4) = 16

b) 8-² = 8/1-² = (1/8)² = 1²/8² = 1/64

c) 5-³ = 5/1-³ = (1/5)³ = 1³/5³ = 1/125

d) (2/5)² = 2²/5² = 4/25

e) (5/3)-² = (3/5)² = 3²/5² = 9/25

f) 49^1/2 = √49 = 7