Answer:
[tex]y^4[/tex]
Step-by-step explanation:
[tex]y^2*y^2[/tex]
Let's multiply the 2 by the other 2.
[tex]2*2=4[/tex]
Let's combine it all together
[tex]2*2\\y[/tex]
Since we already know that [tex]2*2[/tex] is [tex]4[/tex] , we add it to the y.
[tex]y^4[/tex]
Hope this helps!