Answer:
y^7
Step-by-step explanation:
all you have to do is add y^2 and y^5 together and that gets u y^7
High Hopes^^
Barry-
[tex]y^{5}[/tex]×y²=[tex]y^{b}[/tex]
[tex]y^{5+2}[/tex]=[tex]y^{b}[/tex]
b=7
