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Help on Exponents

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I'm writing my maths exam soon and i was doing a problem involving the simplification of exponents. I follow the steps for simplifying perfectly but i come out with te wrong answer according to my text book. Heres the problem: 2x3 to the power of n minus 3 to the power of (n+2) divided by 3 to the power of (n+1). My answer is -6/3 but my text books is -7/3. Which ones right?

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This topic is 3322 days old which is more than the 365 day threshold we allow for new replies. Please post a new topic.

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