$-7 x^{2} \cdot 2 x^{5}$
A) $9 x^{7}$
B) $9 x^{10}$
C) $-14 x^{10}$
D) $-14 x^{7}$

Name: $-7 x^{2} \cdot 2 x^{5}$ A) $9 x^{7}$ B) $9 x^{10}$ C) $-14 x^{10}$ D) $-14 x^{7}$
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Question

Quizplus · Accepted Answer

When multiplying terms with the same base, you add the exponents. Here, $-7 \cdot 2 = -14$ and $x^{2} \cdot x^{5} = x^{2+5} = x^{7}$. Thus, the expression simplifies to $-14 x^{7}$.

−7x2⋅2x5-7 x^{2} \cdot 2 x^{5}−7x2⋅2x5 A) 9x79 x^{7}9x7 B) 9x109 x^{10}9x10 C) −14x10-14 x^{10}−14x10

$-7 x^{2} \cdot 2 x^{5}$ A) $9 x^{7}$ B) $9 x^{10}$ C) $-14 x^{10}$