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\frac{a^{-5}b^{2}}{\left(a^{-1}\right)^{2}\left(b^{-3}\right)^{2}}
Expand \left(a^{-1}b^{-3}\right)^{2}.
\frac{a^{-5}b^{2}}{a^{-2}\left(b^{-3}\right)^{2}}
To raise a power to another power, multiply the exponents. Multiply -1 and 2 to get -2.
\frac{a^{-5}b^{2}}{a^{-2}b^{-6}}
To raise a power to another power, multiply the exponents. Multiply -3 and 2 to get -6.
\frac{a^{-5}b^{8}}{a^{-2}}
To divide powers of the same base, subtract the denominator's exponent from the numerator's exponent.
\frac{b^{8}}{a^{3}}
To divide powers of the same base, subtract the numerator's exponent from the denominator's exponent.
\frac{a^{-5}b^{2}}{\left(a^{-1}\right)^{2}\left(b^{-3}\right)^{2}}
Expand \left(a^{-1}b^{-3}\right)^{2}.
\frac{a^{-5}b^{2}}{a^{-2}\left(b^{-3}\right)^{2}}
To raise a power to another power, multiply the exponents. Multiply -1 and 2 to get -2.
\frac{a^{-5}b^{2}}{a^{-2}b^{-6}}
To raise a power to another power, multiply the exponents. Multiply -3 and 2 to get -6.
\frac{a^{-5}b^{8}}{a^{-2}}
To divide powers of the same base, subtract the denominator's exponent from the numerator's exponent.
\frac{b^{8}}{a^{3}}
To divide powers of the same base, subtract the numerator's exponent from the denominator's exponent.