Question:
Divide 15m2n3 by 5m2n2.
Solution:
$\frac{15 m^{2} n^{3}}{5 m^{2} n^{2}}$
$=\frac{15 \times m \times m \times n \times n \times n}{5 \times m \times m \times n \times n}$
$=3 m^{(2-2)} n^{(3-2)}$
$=3 m^{0} n^{1}$
$=3 n$
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