10) Answer = [tex]42m^3n^5[/tex]
[tex]\left(6m\right)\left(7m^2n\right)\left(n^4\right)[/tex]
[tex]=6m\cdot \:7m^2nn^4[/tex]
[tex]=42mm^2nn^4[/tex]
[tex]=42m^3nn^4[/tex]
[tex]=42m^3n^5[/tex]
11) Answer = [tex]80c^5d^6[/tex]
[tex]8c^2d\cdot \:10c^3d^5[/tex]
[tex]=80c^2dc^3d^5[/tex]
[tex]=80c^5dd^5[/tex]
[tex]=80c^5d^6[/tex]
12) Answer = [tex]20r^5s^3[/tex]
[tex]-4\left(rs^2\right)\left(-5r^4s\right)[/tex]
[tex]=4rs^2\cdot \:5r^4s[/tex]
[tex]=20rs^2r^4s[/tex]
[tex]=20r^5s^2s[/tex]
[tex]=20r^5s^3[/tex]
