Thank you for the opportunity to help you with your question! Hope your day is going well!
This is a law of exponents problem. When a variable(or number) have the same base (i.e y in this problem), were are allowed to combine the exponents. By laws of exponents, when we multiply the same base with their exponents, we add the exponents.
y^6 * y^7
2^6 * 2^7=8192
Use the laws of exponents to see if you get the same answer
check! We get the same answer.
Please let me know if you need any clarification. I'm always happy to answer your questions. Leave a positive review if you are happy!