Exponential Expressions / Equations

Tip

When multiplying expressions that have the same base, you add the exponents: aⁿa^r=a^n+r and when dividing expressions that have the same base, you subtract the exponents: aⁿ/a^r=a^n-r

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Sample Problem

If ab ≠ 0, which of the following is equivalent to the expression below:

Answer Options

(A) 1/b²

(B) 3/b²

(C) 9/b²

(D) a/b²

(E) 9a/b²