Respuesta :

SAH04

Answer:

2

Step-by-step explanation:

y^m x y^n = y^m+n

so y^-4 x y⁶ = y^-4+6

-4+6=2

NOTE: ^ means to the power of

e.g: y^2 is y² :)
n=2 since the bases are the same which is y you can just add them -4+6=2.

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