Question

Which expression is equivalent to a^3 • b^3 • a^-3 • b?

A.) (a*b)^4

B.) b^4

C.) a^3*b

D.) a^-9*b^3

Answer 1

The answer is B! b^4. If we examine the expression given, we have a^3 * b^3 * a^-3 * b= a^3/a^3 * b^3 * b = 1 * b^4

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