You can
put this solution on YOUR website!When you MULTIPLY with the same base number, you must ADD the exponents. In this case, it would be y^6.
As I said in my last solution about the laws of exponents, see my website by clicking on my tutor name "rapaljer" anywhere in algebra.com, look for "Basic Algebra: One Step at a Time", Chapter 2, Section 2.12 Laws of Exponents.
R^2