Evaluate the expression. (-3)^-2

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Gajendra Rawat asked Jul 27, 2023

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Evaluate the expression. (-3)^-2

Mathematics
high-school

Gajendra Rawat asked Jul 27, 2023

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I love daddies

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i love daddies

Saboora answered Jul 27, 2023

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$~~(-3)^(-2)\\\\\\=\frac 1{(-3)^2}~~~~~~~~~~~~~~~~~~~~~~~~~;\left[k^(-n) = \frac 1{k^n},~~~ k \\eq 0\right]\\\\\\=\frac 1{(-1)^2 \cdot 3^2}\\\\\\=\frac 1{1 * 9}\\\\\\=\frac 19$

Anthony Bobenrieth answered Jul 30, 2023

by Anthony Bobenrieth

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