**Complete the equations to solve $\purpleC{2} \times \blueD{3} \times \greenD7$ two different ways.** $\purpleC{2} \times \blueD{3} \times \greenD7 ~=~(\purpleC{2}\times\blueD{3}) \times\greenD7$ $\phantom{\purpleC{2} \times \blueD{3} \times \greenD7 }~=~$ [[☃ math-keypad 1]] $ \times ~\greenD7$ $\phantom{\purpleC{3} \times \blueD{5} \times \greenD2 }~=~$ [[☃ math-keypad 2]] $$ $\purpleC{2} \times \blueD{3} \times \greenD7 ~=~ \purpleC{2}\times(\blueD{3}\times\greenD7)$ $\phantom{\purpleC{2} \times \blueD{3} \times \greenD7} ~=~ \purpleC{2}\times ~$[[☃ math-keypad 3]] $\phantom{\purpleC{3} \times \blueD{5} \times \greenD2} ~=~ $ [[☃ math-keypad 4]]