Question

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Answer 1

$12^{(-3*4)} * 144^{8} = 12^{-12} * (12^{2})^{8} = 12^{-12} * 12^{(2*8)} = 12^{-12} * 12^{16} = 12^{(-12+16)} = 12^{4}$

Answer 2

$(12 {}^{ - 3} ) {}^{4} times 144 {}^{8} \ \ 12 {}^{ - 12} times 12 {}^{16} = 12 {}^{ - 12 + 16} = 12 {}^{4}$