Question

(y^-5)^-10y^10

the answers are in the image​

Answer 1

`\large\boxed{y^(60)}`

Explanation:

`(y^(-5))^(-10)y^(10)\qquad\text{use}\ (a^n)^m=a^(nm)\\\\=y^((-5)(-10))y^(10)=y^(50)y^(10)\qquad\text{use}\ a^n\cdot a^m=a^(n+m)\\\\=y^(50+10)=y^(60)`