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\left(-4\right)^{2}\left(a^{2}\right)^{2}b^{2}\left(-\frac{1}{ab^{2}}\right)^{3}
Expand \left(-4a^{2}b\right)^{2}.
\left(-4\right)^{2}a^{4}b^{2}\left(-\frac{1}{ab^{2}}\right)^{3}
To raise a power to another power, multiply the exponents. Multiply 2 and 2 to get 4.
16a^{4}b^{2}\left(-\frac{1}{ab^{2}}\right)^{3}
Calculate -4 to the power of 2 and get 16.
16a^{4}b^{2}\left(-1\right)^{3}\times \left(\frac{1}{ab^{2}}\right)^{3}
Expand \left(-\frac{1}{ab^{2}}\right)^{3}.
16a^{4}b^{2}\left(-1\right)\times \left(\frac{1}{ab^{2}}\right)^{3}
Calculate -1 to the power of 3 and get -1.
16a^{4}b^{2}\left(-1\right)\times \frac{1^{3}}{\left(ab^{2}\right)^{3}}
To raise \frac{1}{ab^{2}} to a power, raise both numerator and denominator to the power and then divide.
-16a^{4}b^{2}\times \frac{1^{3}}{\left(ab^{2}\right)^{3}}
Multiply 16 and -1 to get -16.
-16a^{4}b^{2}\times \frac{1}{\left(ab^{2}\right)^{3}}
Calculate 1 to the power of 3 and get 1.
-16a^{4}b^{2}\times \frac{1}{a^{3}\left(b^{2}\right)^{3}}
Expand \left(ab^{2}\right)^{3}.
-16a^{4}b^{2}\times \frac{1}{a^{3}b^{6}}
To raise a power to another power, multiply the exponents. Multiply 2 and 3 to get 6.
\frac{-16}{a^{3}b^{6}}a^{4}b^{2}
Express -16\times \frac{1}{a^{3}b^{6}} as a single fraction.
\frac{-16a^{4}}{a^{3}b^{6}}b^{2}
Express \frac{-16}{a^{3}b^{6}}a^{4} as a single fraction.
\frac{-16a}{b^{6}}b^{2}
Cancel out a^{3} in both numerator and denominator.
\frac{-16ab^{2}}{b^{6}}
Express \frac{-16a}{b^{6}}b^{2} as a single fraction.
\frac{-16a}{b^{4}}
Cancel out b^{2} in both numerator and denominator.
\left(-4\right)^{2}\left(a^{2}\right)^{2}b^{2}\left(-\frac{1}{ab^{2}}\right)^{3}
Expand \left(-4a^{2}b\right)^{2}.
\left(-4\right)^{2}a^{4}b^{2}\left(-\frac{1}{ab^{2}}\right)^{3}
To raise a power to another power, multiply the exponents. Multiply 2 and 2 to get 4.
16a^{4}b^{2}\left(-\frac{1}{ab^{2}}\right)^{3}
Calculate -4 to the power of 2 and get 16.
16a^{4}b^{2}\left(-1\right)^{3}\times \left(\frac{1}{ab^{2}}\right)^{3}
Expand \left(-\frac{1}{ab^{2}}\right)^{3}.
16a^{4}b^{2}\left(-1\right)\times \left(\frac{1}{ab^{2}}\right)^{3}
Calculate -1 to the power of 3 and get -1.
16a^{4}b^{2}\left(-1\right)\times \frac{1^{3}}{\left(ab^{2}\right)^{3}}
To raise \frac{1}{ab^{2}} to a power, raise both numerator and denominator to the power and then divide.
-16a^{4}b^{2}\times \frac{1^{3}}{\left(ab^{2}\right)^{3}}
Multiply 16 and -1 to get -16.
-16a^{4}b^{2}\times \frac{1}{\left(ab^{2}\right)^{3}}
Calculate 1 to the power of 3 and get 1.
-16a^{4}b^{2}\times \frac{1}{a^{3}\left(b^{2}\right)^{3}}
Expand \left(ab^{2}\right)^{3}.
-16a^{4}b^{2}\times \frac{1}{a^{3}b^{6}}
To raise a power to another power, multiply the exponents. Multiply 2 and 3 to get 6.
\frac{-16}{a^{3}b^{6}}a^{4}b^{2}
Express -16\times \frac{1}{a^{3}b^{6}} as a single fraction.
\frac{-16a^{4}}{a^{3}b^{6}}b^{2}
Express \frac{-16}{a^{3}b^{6}}a^{4} as a single fraction.
\frac{-16a}{b^{6}}b^{2}
Cancel out a^{3} in both numerator and denominator.
\frac{-16ab^{2}}{b^{6}}
Express \frac{-16a}{b^{6}}b^{2} as a single fraction.
\frac{-16a}{b^{4}}
Cancel out b^{2} in both numerator and denominator.