Question

1) Calcule as potenciações a seguir:

a) ( -34,87 )^1
b) 17^0
c) -3^2
d) (-3)^2

2) Determine:

A) 5^-2
B) (3/4)^-2

Answer 1

Olá!
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1)

A) ( - 34,87 )¹ = - 34,87

B) 17⁰ = 1

C) - 3² = 3 . 3 = - 9

D) (- 3)² = (- 3) . (- 3) = 9

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2)

A) 5 -²

1/5²

= 1/25

B) (3/4) -²

(4/3)²

= 16/9

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Abraços! ☢