Answer:
6 s^9 t^3
Step-by-step explanation:
When you multiply same variables with exponents, you want to add the expoenents.
6s^5t * s^4t^2
s^5 * s^4 = s^9
t * t^2 = t^3
6 * 1 = 6
6 s^9 t^3
8*1/2=4
4*1/2=2
2*1/2=1
1*1/2=1/2
1/2*1/2=1/4
geometric sequence (c)
The total surface area of this square based pyramid is 125 squared inches :)