Question

Please help with these two math problems

1. 7^x ÷ 7^y =
2. z^10x^y ÷ z^5 =

Answer 1

1. 7^(x-y)

2. z^5x^y

Explanation:

The applicable rule of exponents is ...

(a^b)/(a^c) = a^(b-c)

__

1.

`(7^x)/(7^y)=\boxed{7^(x-y)}`

__

2.

`(z^(10)x^y)/(z^5)=x^yz^(10-5)=\boxed{z^5x^y}`