Janelle S. answered 03/02/16
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Penn State Grad for ME, Math & Test Prep Tutoring (10+ yrs experience)
When multiplying terms with the same base, you can add the exponents. Similarly, when dividing terms with the same base, you can subtract the exponents.
x^6 * x^5 / x^2 = x^(6+5) / X^2 = x^11 / x^2 = x^(11-2) = x^9
Therefore, n = 9