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Evaluate x² * x⁹?

89. Evaluate x² * x⁹?

1. x⁷
2. x¹¹
3. x^-7
4. x¹⁸

Answer

The correct answer is: B) x¹¹

Explanation

x^a * x^b = x^a+b , so x² * x⁹ = x²⁺⁹ = x¹¹