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liberstina [14]
3 years ago
9

Write your answer using only positive exponents. (-2x^6y^-2)^3

Mathematics
1 answer:
Alinara [238K]3 years ago
6 0

Firstly, the rule with raising a power by a power is to multiply the two powers. In our case, it'll look like this:

(-2x^6y^{-2})^3\\ (-2)^3x^{6*3}y^{-2*3}\\ -8x^{18}y^{-6}

Now the rule from negative exponents to fractions is x^{-m}=\frac{1}{x^m} . Applying this to y^-6, your final answer is going to be \frac{-8x^{18}}{y^{6}}

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