Question

Simplify (10x4y2) ÷ (5xy).
A. 80
B. 5x3y
C. 23yx3
D. 2x3y

Answer 1

(10/5)*(x^4/x)*(y^2)/y

Answer 2

\[(10x^4y^2) ÷ (5xy) = \frac {10x^4y^2} { 5xy }=\frac{10}{5}x^{4-1}y^{2-1}\]
\[=2x^{3}y^{1}=2x^{3}y\]
Thus option D. \[2x^3y\] is the correct Answer.
@cenaida