Lista de exercícios do ensino médio para impressão
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Choose the
incorrect
:
a)
$5^0 = 1$
b)
$(-2,3)^0 = 1$
c)
$5^{-2}\,=\,\dfrac{1}{25}$
d)
$(-5)^{-2}\,=\,\dfrac{1}{25}$
e)
$-5^{-2}\,=\,\dfrac{1}{25}$
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answer: Answer (E)
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