Question

Please help me there is a pic thankyou ​

Answer 1

n=2 since the bases are the same which is y you can just add them -4+6=2.

Answer 2

2

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 :)