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3 December, 07:08

Simplify (-12a^2b^-6) ^2

my teacher told me the answer (144a^4b^12) was wrong ...

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  1. 3 December, 10:42
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    So you distribute the two into each variable to get - 12^2a^4b^-12, which reduces to (144a^4) / (b^12). You were right but forgot to add the negative to the 12
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