$5 \mathrm{a} \cdot 3 \mathrm{a}^{2}$
A) $5 a+3 a^{2}$
B) $8 a^{3}$
C) $15 a^{4}$
D) $15 \mathrm{a}^{3}$

Name: $5 \mathrm{a} \cdot 3 \mathrm{a}^{2}$ A) $5 a+3 a^{2}$ B) $8 a^{3}$ C) $15 a^{4}$ D) $15 \mathrm{a}^{3}$
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Question

Quizplus · Accepted Answer

When multiplying terms with the same base, you add their exponents. So, $5a \times 3a^2 = 15a^{1+2} = 15a^3$.

5a⋅3a25 \mathrm{a} \cdot 3 \mathrm{a}^{2}5a⋅3a2 A) 5a+3a25 a+3 a^{2}5a+3a2 B) 8a38 a^{3}8a3

$5 \mathrm{a} \cdot 3 \mathrm{a}^{2}$ A) $5 a+3 a^{2}$ B) $8 a^{3}$