Simplify and write in exponential form:

(-4)^100 * (-4)^20 / (-4)^115

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• A (-4)^135
• B (-4)^5
• C (-4)^15
• D (-4)^120

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Answer: B. (-4)^5

(-4)^100 x (-4)^20 = (-4)^120. Then (-4)^120 / (-4)^115 = (-4)^(120 - 115) = (-4)^5.

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