Respuesta :

Presuming that y4 is y^4 and y6 is y^6, we can assume that y^4 times y^6 is y^10.

Therefore the answer is y^10.

Hope this helps! :)
[tex] y^{4} y*y*y*y[/tex]

[tex]y^6 y*y*y*y*y*y y=10[/tex]

Answer is y=10

Hope it helped you.

-Charlie