Multiply and simplify.
-$\left(x^{2} y^{2}\right)\left(x^{7} y\right)$
A) $2 x^{9} 2 y^{3}$
B) $x^{14} y^{2}$
C) $x^{9} y^{2}$
D) $x^{9} y^{3}$

Name: Multiply and simplify. -$\left(x^{2} y^{2}\right)\left(x^{7} y\right)$ A) $2 x^{9} 2 y^{3}$ B) $x^{14} y^{2}$ C) $x^{9} y^{2}$ D) $x^{9} y^{3}$
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Question

Quizplus · Accepted Answer

When multiplying powers with the same base, you add the exponents. Thus, $x^{2} \cdot x^{7} = x^{2+7} = x^{9}$ and $y^{2} \cdot y = y^{2+1} = y^{3}$. Combining these gives $x^{9} y^{3}$.

Multiply and Simplify (x2y2)(x7y)\left(x^{2} y^{2}\right)\left(x^{7} y\right)(x2y2)(x7y) A) 2x92y32 x^{9} 2 y^{3}2x92y3 B) x14y2x^{14} y^{2}x14y2

Multiply and Simplify $\left(x^{2} y^{2}\right)\left(x^{7} y\right)$ A) $2 x^{9} 2 y^{3}$ B) $x^{14} y^{2}$