subtracting 9.1 - 12.9 is -3.8
Answer:
1. 7^(x-y)
2. z^5x^y
Step-by-step explanation:
The applicable rule of exponents is ...
(a^b)/(a^c) = a^(b-c)
__
1.
2.
1. -72
2. -64
it is increasing by 4 so,
-76, -72, -68, -64, -60, -56.