Question

Somebody help me with this question!

Answer 1

`\frac{ {z}^(7) }{ {z}^(2) }`

= z to the power of 5

Explanation:

I am 100% sure with this answer

Answer 2

`(z\cdot z\cdot z\cdot z\cdot z\cdot z\cdot z)/(z\cdot z)=(z^7)/(z^2)=z^(7-2)=\boxed{z^5}`