What are you even talking about... What is the ???
When you have an equation that has variables and you know the value of those variables, just plug it it. So plugging the vaules we get
Just evaluating we get 4
Answer:
c) 2⁻⁹
Step-by-step explanation:
1) use negative power rule: 
1/2⁹
2) simplify ₂⁹ to 512
1/512 ( same as (8) ⁻3
Answer:
approx. 113.1
Step-by-step explanation:
Area formula: A= pi* (r^2)
12/2 = 6, so r=6
A= pi * (6^2)
A= pi * (36)
A = approx. 113.1