Question

Caucule as potências :

Answer 1

oi
a) 10⁻²
1²/10²
=1/100

B) (-2) ²
(1/-2)²= 1²/(-2)²
=1/4

c)(3/4)⁻³= 1/(3/4)³=1/3³/4³=1/27/64
=1.27/64
=27/64

d)1/(-2/3)²=1/(+2²/3²)
=1/(4/9)
=4/9

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