Answer:
1/625
Step-by-step explanation:
Exponent Rule: 
Exponent Rule: 
5⁻⁸ · 5⁴ = -8 + 4 = -4
5⁻⁴
1/5⁴
1/625
Answer:
In y-intercept form: X = 5
Step-by-step explanation:

Becuz the slope is Undefined
Answer:
54
Step-by-step explanation:
First you take two and multiply it by three, which gives you 6. Then you multiply it by three and get 18. Then you multiply and get 54.
circle
1. area=π*R square
2.circumference=2πr
sphere
1. curve surface area=4*π*R square
2. volume =4/3*π*R^3