How do you simplify $(-11x^3 y) ^ -2$ ?

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Answer 1 · 2016-03-22T18:04:35

power to power rule on the -2 exponent results in:
$(-11)^-2 x^-6 y^-2$

or
$121x^-6 y^-2$

negative exponents mean reciprocals so this can be further simplified to:

$121/(x^6 y^2)$

How do you simplify (-11x^3 y) ^ -2(-11x^3 y) ^ -2?