Simplify Assume That Variables in the Exponent Represent Nonzero Integers $x ^ { 3 a } \cdot x ^ { 6 a }$

question 24

Multiple Choice

Simplify. Assume that variables in the exponent represent nonzero integers and that all other variables are not 0.
- $x ^ { 3 a } \cdot x ^ { 6 a }$

• A) \(a x ^ { 18 }\)
• B) \(a x ^ { 9 }\)
• C) \(\mathrm { x } ^ { 18 a }\)
• D) \(x ^ { 9 a }\)

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