Question 676894
{{{(11x^3y)(5y) = 11*5*x^3*y*y = highlight_green(55x^2y^2)}}}
.....................
Delighted to help; feel free to email if you have further questions.
HomeworkHelpers@readingboosters.com
-Reading Boosters
Website: www.MyHomeworkAnswers.com 
Wanting for others what we want for ourselves.