Answer:
4[tex]x^{6}[/tex][tex]y^{7}[/tex]
Step-by-step explanation:
Using the rule of exponents
[tex]a^{m}[/tex] × [tex]a^{n}[/tex] = [tex]a^{(m+n)}[/tex]
12[tex]x^{5}[/tex] × [tex]y^{3}[/tex] × [tex]\frac{1}{2}[/tex]x x [tex]\frac{2}{3}[/tex][tex]y^{4}[/tex]
= 12 × [tex]\frac{1}{2}[/tex] × [tex]\frac{2}{3}[/tex] × [tex]x^{(5+1)}[/tex] × [tex]y^{(3+4)}[/tex]
= 4[tex]x^{6}[/tex][tex]y^{7}[/tex]
