Question

The expression (x^-8) (x^3) is equivalent to the expression x^n. what is the value of n? ​

Answer 1

n = -5

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(x^a)(x^b) = x^(a + b)

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(x^-8) (x^3) = x^(-8 + 3) = x^(3 – 8) = x^(-5)